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Nymphaea nouchali var. caerulea (Savigny) B. Verdcourt

Description ( Inglês )

fornecido por Flora of Zimbabwe
Aquatic perennial. The floating leaves grow from a tuberous rhizome. the erect flowers are usually held above the surface of the water on fleshy stems.
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direitos autorais
Mark Hyde, Bart Wursten and Petra Ballings
citação bibliográfica
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Nymphaea nouchali Burm. f.
var. caerulea (Savigny) Verdc. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=123460
autor
Mark Hyde
autor
Bart Wursten
autor
Petra Ballings
original
visite a fonte
site do parceiro
Flora of Zimbabwe

Worldwide distribution ( Inglês )

fornecido por Flora of Zimbabwe
Widespread from Egypt, throughout tropical Africa to KwaZulu-Natal, South Africa.
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direitos autorais
Mark Hyde, Bart Wursten and Petra Ballings
citação bibliográfica
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Nymphaea nouchali Burm. f.
var. caerulea (Savigny) Verdc. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=123460
autor
Mark Hyde
autor
Bart Wursten
autor
Petra Ballings
original
visite a fonte
site do parceiro
Flora of Zimbabwe

Kaaimansblom ( Africâner )

fornecido por wikipedia AF

Die kaaimansblom (Nymphaea capensis), ook bekend as die Kaapse blouwaterlelie is inheems aan Suid-Afrika en 'n waterplant met drywende blare en dik wortelstokke in modder. Die Suid-Afrikaanse spesies het net blou of pers blomme. Die plant is baie skaars en word aangetref in permanente vleie in die Wes-Kaap, vanaf Piketberg tot by Bredasdorp. Die plant het uitgesterf in die Kaapse Skiereiland.

Bron

Eksterne skakel

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Kaaimansblom: Brief Summary ( Africâner )

fornecido por wikipedia AF

Die kaaimansblom (Nymphaea capensis), ook bekend as die Kaapse blouwaterlelie is inheems aan Suid-Afrika en 'n waterplant met drywende blare en dik wortelstokke in modder. Die Suid-Afrikaanse spesies het net blou of pers blomme. Die plant is baie skaars en word aangetref in permanente vleie in die Wes-Kaap, vanaf Piketberg tot by Bredasdorp. Die plant het uitgesterf in die Kaapse Skiereiland.

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Nymphaea capensis ( Azerbaijano )

fornecido por wikipedia AZ

Nymphaea capensis (lat. Nymphaea capensis) - suzanbağıkimilər fəsiləsinin suzanbağı cinsinə aid bitki növü.

İstinadlar

Inula britannica.jpeg İkiləpəlilər ilə əlaqədar bu məqalə qaralama halındadır. Məqaləni redaktə edərək Vikipediyanı zənginləşdirin.
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Nymphaea capensis: Brief Summary ( Azerbaijano )

fornecido por wikipedia AZ

Nymphaea capensis (lat. Nymphaea capensis) - suzanbağıkimilər fəsiləsinin suzanbağı cinsinə aid bitki növü.

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Nymphaea caerulea ( Alemão )

fornecido por wikipedia DE

Nymphaea caerulea, auch Blauer Lotus, ist eine Pflanzenart aus der Gattung der Seerosen (Nymphaea). Die ausdauernden Wasserpflanzen sind im tropischen Afrika weit verbreitet.

Beschreibung

Nymphaea caerulea ist eine ausdauernde Wasserpflanze. Aus dem knollig verdickten Rhizom entspringen die auf der Wasseroberfläche schwimmenden Laubblätter. Die ledrigen Blätter sind rund bis oval, 8 bis 30 cm lang und 6 bis 28 cm breit, der Blattrand ist ganzrandig oder leicht gewellt. Die beiden Blattlappen enden spitz oder stumpf; ihre Ränder können sich überlappen, parallel nebeneinander laufen oder einen Zwischenraum lassen. Die Blattoberseite ist grün und glatt, die Unterseite ist grün oder rötlich. Auf der Unterseite können die Blattadern hervortreten.[1]

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Blüte

Die Blüten stehen auf fleischigen Blütenstielen ein Stück über der Wasseroberfläche.[2] Die Blüten erreichen einen Durchmesser von 6 bis 20 cm, ihre Farbe ist blau oder rosa. Die äußeren vier Blütenblätter (Sepalen) sind grün, gelegentlich mit rötlichen Rändern oder rötlichen Streifen oder Punkten gezeichnet. Die Sepalen sind länglich-oval oder länglich-lanzettlich, ihre Länge beträgt 3 bis 8 cm bei einer Breite von 1,1 bis 2,5 cm. Von den inneren Blütenblättern (Petalen) sind 12 bis 24 Stück vorhanden, sie sind länglich-lanzettlich geformt, sie enden spitz oder stumpf. Bei manchen Blüten weisen einige Petalen Merkmale der äußeren Blütenblätter auf (daher kann es abweichende Angaben zur Anzahl der Petalen geben). Es sind 30 bis 100 oder noch mehr Staubblätter vorhanden, die Zahl der Fruchtblätter beträgt 12 bis 24. Die Frucht ist rundlich mit einem Durchmesser von 2 bis 4 cm, die Samen sind oval und 1,1 mm groß.[1]

Die Blüten öffnen sich vormittags und schließen sich am späten Nachmittag. Über Nacht bleiben sie geschlossen, um am nächsten Tag wieder aufzublühen. Die außen liegenden Kelchblätter steuern den Öffnungs- und Schließrhythmus der Blüte. Werden die äußeren Kelchblätter entfernt, büßt die Blüte ihre Bewegungsfähigkeit ein.[3]

Die Chromosomenzahl beträgt 2n = 28 oder 56.[4]

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Darstellung von Nymphaea caerulea auf einer ägyptischen Vase
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Darstellung von Nymphaea caerulea in einer apyptischen Grabkammer

Verbreitung

Nymphaea caerulea sind in langsam fließenden Flüssen und stehenden Gewässern[2] im gesamten tropischen und im südlichen Afrika sowie in Ägypten verbreitet.[5] Weitere Vorkommen liegen im Jemen; in Israel ist die Art heute ausgestorben.[5] In Brasilien und Argentinien ist Nymphaea caerulea als Neophyt eingebürgert.[5]

Systematik und botanische Geschichte

Nymphaea caerulea wurde 1798 von Savigny erstmals wissenschaftlich beschrieben. Innerhalb der Gattung der Seerosen (Nymphaea) wird sie in die Untergattung Brachyceras eingeordnet, in der weitere tropische Seerosen stehen, deren Blüten sich tagsüber öffnen. Verdcourt klassifizierte 1989 einige afrikanische Seerosen-Arten als Unterarten der in Indien verbreiteten Nymphaea nouchali, darunter auch Nymphaea caerulea als Nymphaea nouchali var. caerulea. Eine Untersuchung der Verwandtschaftsverhältnis anhand der DNA ergab Nymphaea colorata (Nymphaea nouchali var. zanzibarica nach Verdcourt) als nahe Verwandte von Nymphaea caerulea.[6]

Historische Nutzung

Die Blüten von Nymphaea caerulea enthalten psychoaktive Substanzen.[7]

Nymphaea caerulea wurde schon im Alten Ägypten genutzt. Im Grab von Ramses II. wurden getrocknete Blüten von Tigerlotus und Nymphaea caerulea gefunden[8]. Auch in zahlreichen Darstellungen finden sich die Blüten von Tigerlotus (Nymphaea lotus) und Nymphaea caerulea. Während die weißen Blüten des Tigerlotus Trinkgefäße schmücken, stehen die blauen Blüten von Nymphaea caerulea für rituell genutzte Gefäße und Flüssigkeiten. Daraus und aus der Tatsache, dass Nymphaea caerulea zusammen mit Schlafmohn und Alraune dargestellt wird, schließt William A. Emboden, dass die psychoaktiven Eigenschaften bekannt waren und genutzt wurden.[9]

Einzelnachweise

  1. a b F. A. Mendoça: Nymphaeaceae. In: Flora Zambesiaca. Band 1, Nr. 1, 1960 (Flora Zambesiaca).
  2. a b Mark A. Hyde, Bart Wursten: Nymphaea nouchali Burm. f. var. caerulea (Savigny) Verdc. Flora of Zimbabwe, abgerufen am 23. Juni 2012.
  3. Botanischer Garten Kiel der Christian-Albrechts-Universität zu Kiel: Blaue Lotosblume Nymphaea caerulea-Pflanzengeschichten, aufgerufen am 25. Mai 2012
  4. Nymphaea caerulea bei Tropicos.org. In: IPCN Chromosome Reports. Missouri Botanical Garden, St. Louis.
  5. a b c Nymphaea im Germplasm Resources Information Network (GRIN), USDA, ARS, National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Abgerufen am 30. Mai 2018.
  6. Thomas Borsch, Khidir W. Hilu, John H. Wiersema, Cornelia Lohne, Wilhelm Barthlott, Volker Wilde: Phylogeny of Nymphaea (Nymphaeaceae): Evidence from Substitutions and Microstructural Changes in the Chloroplast trnT-trnF Region. In: International Journal of Plant Science. Band 168, Nr. 5, 2007, S. 639–671.
  7. Spice – eine harmlose Kräutermischung? bei www.uni-leipzig.de (Memento vom 21. Oktober 2013 im Internet Archive) (abgerufen am 17. Juli 2014; PDF; 5,9 MB)
  8. Philip Swindells, The Master book of the Water garden. London, Salamander 1997, 15
  9. William A. Emboden: Sacred Narcotic Water Lily of the Nile: Nymphaea caerulea Sav. In: Economic Botany. Band 33, Nr. 1, 1979, S. 395–407.
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Autoren und Herausgeber von Wikipedia
original
visite a fonte
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wikipedia DE

Nymphaea caerulea: Brief Summary ( Alemão )

fornecido por wikipedia DE

Nymphaea caerulea, auch Blauer Lotus, ist eine Pflanzenart aus der Gattung der Seerosen (Nymphaea). Die ausdauernden Wasserpflanzen sind im tropischen Afrika weit verbreitet.

licença
cc-by-sa-3.0
direitos autorais
Autoren und Herausgeber von Wikipedia
original
visite a fonte
site do parceiro
wikipedia DE

Nymphaea nouchali var. caerulea ( Inglês )

fornecido por wikipedia EN

Nymphaea nouchali var. caerulea,[1][a] is a water lily in the genus Nymphaea, a botanical variety of Nymphaea nouchali.

It is an aquatic plant of freshwater lakes, pools and rivers, naturally found throughout most of the eastern half of Africa, as well as parts of southern Arabia, but has also been spread to other regions as an ornamental plant. It was grown by the Ancient Egyptian civilization, and had significance in their religion. It can tolerate the roots being in anoxic mud in nutritionally poor conditions, and can become a dominant plant in deeper water in such habitats. It is associated with a species of snail, which is one of the main hosts of the pathogen causing human schistosomiasis. The underwater rhizomes are edible. Like other species in the genus, the plant contains the psychoactive alkaloid aporphine (not to be confused with apomorphine, a metabolic product of aporphine).

Taxonomy

Nymphaea spectabilis, a purple form known from cultivation, and N. capensis, found throughout eastern, central and southern Africa, as well as a number of other named taxa, were synonymised to N. nouchali var. caerulea in the 1989 addition to the Flora of Tropical East Africa (FTEA) series, a position which has generally been accepted,[1][4][10][11] although some of the authorities in Bangladesh[11] and in the United States disagree.[7][8][9]

In 2012 there was a phylogenetic study where N. caerulea was more related to N. gracilis, an endemic of northern Mexico, than it was to N. nouchali. The evolutionary tree was a consensus of ITS2 and matk. According to this study, N. caerulea should not be considered as a variety of N. nouchali.[12] When genomes from the water lily genus (Nymphaea) were published in the journal Nature in 2020, N. caerulea was cited under that name, not as N. nouchali var. caerulea.[13] Another phylogenetic study from 2021 found N. caerulea (as N. capensis) to be closest related to N. colorata, an east African species.[14]

Nymphaea nouchali is itself a taxonomically challenging species, with a distribution that spans Australia, throughout southern Asia,[15] across Africa to the Western Cape.[4] It has many colour forms (with red-coloured forms generally called N. stellata) and has a long history of cultivation.[4][10][15] In Africa, following the 1989 FTEA publication, five different varieties are recognised: var. caerulea, the most widespread, ovalifolia, in parts of tropical Southern Africa, petersiana, the same, zanzibarensis, from tropical southern, central and East Africa, and mutandaensis, which is an endemic of Uganda.[4] One of these taxa, var. petersiana, was found to be quite divergent in the 2012 study.[12] If the 2012 study is to be accepted, this may indicate that the African populations of N. nouchali belong to another species than the Asian and Australian type populations,[7][12] and should likely be renamed N. caerulea as this name has priority over N. capensis.

Classification

It is classified in the Nymphaea subgenus Brachyceras.[14][16][17] This subgenus appears to be phylogenetically sound.[14]

Description

Blue Water Lily 2.jpg

This is an aquatic (euhydrophyte) herb with a tuberous rhizome.[18] That is to say, it has small tubers that may develop into short vertical rhizomes. It is a perennial.[19] One plant can spread over an area of about 1 metre.[4]

The peltate leaves have long petioles and have leaf blades (lamina) which are 8–35 cm (3–14 in) by 7.5–42 cm (3–17 in)cm in size.[18] The leaves are polymorphic, changing in form and texture depending if they are underwater or floating.[6] These laminae have a chartaceous texture and can be glabrous or densely covered in pubescent hairs. The shape is incised-cordate and orbicular or subelliptic, with an acute or caudate apex. The two lobes can overlap somewhat or be slightly apart from each other. The upper surface of the lamina is smooth, but the underside has conspicuously raised, green or rarely reddish or reddish-purple veins. There are eight to eleven primary lateral veins on each side of the midrib. There are six to eight pairs of secondary veins arising from the midrib. The primary veins form a pattern of closed, elongated areas stretching to more than two thirds of the way to the margin of the leaf. The leaf margin is entire towards the apex or more-or-less irregularly sinuate-lobulate throughout its entirety.[18] The petioles are thick, blackish green and spongy.[6] They continue to lengthen as they age, pushing older leaves towards the margins of the plant.[4]

The flowers can be blue, white, mauve or pinkish in colour,[4][18] but are usually have pale bluish-white to sky-blue or mauve petals, smoothly changing to a pale yellow in the centre of the flower,[4] and are 8–12 cm (3–5 in) in diameter. There are four sepals; these are coloured green and sometimes purple at the margins, and are 4–10 cm (2–4 in) by 1.5–3.5 cm (1–1 in) in size. There are 14–20 petals, of which the outermost are as long as the sepals. Their shape is oblong, and their apexes end in blunt or subacute tips. The stamens are densely congested and very numerous, numbering 100–200 or more. The outermost stamens have long appendages. There are 14–24 carpels, with a very short style.[18] There are also carpellary appendages; these are what is known as 'osmophores', structures which serve to attract pollinators without actually rewarding them, thus by deceit. In this case they are visually attractive for bees and exude an odour mimicking food.[17]

The flower buds rise to the surface over a period of two to three days, and when ready, open during the mid-morning, closing near dusk. This ability is controlled by the sepals; when these are cut off, the flower loses the ability to close. The flowers and buds do not rise above the water in the morning, nor do they submerge at night. The flowers last some four days before they start to wither, closing up each night.[4][17]

The fruit are berries,[6] 2.2 by 3.2 cm and flattened-round in shape. The seeds are ellipsoid and 1.2 mm long.[18] They are smooth, and have a fleshy, bell-shaped aril.[6]

Chemical composition

Apomorphine is said to be main psychoactive compound present. Other compounds include nuciferine.[20]

Similar species

In Southern Africa the only other native species of water-lily is N. lotus; this has night-blooming, usually white flowers.[4] N. mexicana is a mostly yellow-flowered invasive species in South Africa. Most plants are derived from US stock, but a significant number of samples were escaped garden cultivars or hybrids, some of which may be crossed with native species. These hybrids are often recognisable by their divergent flower colours and forms.[21]

In Australia it may be confused with the native N. gigantea, but can be distinguished on the basis of N. gigantea lacking the petal-coloured appendages on the outer stamens in N. caerulea.[22]

Distribution

The native distribution covers North Africa along the Nile and south throughout central, East and Southern Africa.[1][2][3] It is common in this range.[4] The conservation status has not been evaluated by the IUCN,[6] but it is considered a species of 'least concern' by the South African National Biodiversity Institute in their Red List of South African Plants.[5]

On the African continent, it occurs, from north to south, westwards to at least Chad,[1][23] Congo-Brazzaville,[1] the DRC (only in Katanga?),[24][25] Angola[1] and Namibia.[1][23] In South Africa this plant is found in every province, as well as in eSwatini, but it is not native to Lesotho and the Western Cape.[5][4][23] It also occurs on islands off the eastern African coast: Zanzibar, Madagascar and the Comoro Islands.[18] It is native to Yemen[1][2] and Oman (in Dhofar) in the southern Arabian Peninsula[1] but, according to Moshe Agami in a 1980 paper, is thought to have become extinct in the wild in Israel.[2]

It has more recently been spread more widely around the world as an ornamental plant, and introduced populations are now found in Bangladesh,[1][3] Meghalaya, Kerala[6] and Assam in India,[1][6] Fiji, Mauritius, North Island in New Zealand, New South Wales and Queensland in Australia, Cook Islands, Costa Rica,[1] and throughout eastern South America (in Brazil and Argentina).[2][3]

There is an introduced population of blue water-lilies originally from East Africa in the US in the state of Florida. This was first identified as N. zanzibarensis, then as N. capensis var. zanzibarensis, but following the 1989 FTEA publication the taxon was moved to N. nouchali var. zanzibarensis. Nonetheless the 1997 addition to the Flora of North America series decided to retain recognition of the local population under the name N. capensis, and this population continues to be recognised under that name in the US.[7][8][9]

The naturalised populations in eastern Australia were also thought to be N. capensis var. zanzibarensis, then later N. caerulea var. zanzibarensis, then in 2011 N. capensis,[19][22] but the plants in the wild are now thought to be N. caerulea. It is considered an environmental weed in Australia.[22]

Ecology

It has a habitat consisting of rivers, lakes and pools.[18] As of 1921, it has been found at elevations of 10–1,650 m (33–5,413 ft) in South Africa.[23]

Although in cultivation it is said to be quite demanding of nutrients,[4] in the quite nutrient-poor Lake Nabugabo in Uganda it is the dominant aquatic plant species, only being replaced by N. lotus in the eastern tip of the lake, and other aquatic genera where it is more shallow. The dense monospecific stands are associated with an Utricularia sp. and Nymphoides indica in one part of the lake, and with Ceratophyllum demersum in certain other bays.[26][27] The waterlily stands in this lake are especially poor in invertebrate biodiversity, which may reflect the low levels of dissolved oxygen near the sediments in this habitat.[28] In Lake Bisina, Uganda, N. caerulea is most clearly associated with Utricularia reflexa; this may be due to similar ecological niches, it may just mean the small, rootless, free-moving Utricularia simply get snagged on the petioles, but it may indicate some sort of a commensal relationship, with U. reflexa being shaded by the leaves of N. caerulea. Hydrilla verticillata is another plant which seems to sometimes occur together with the waterlily in this lake, as well as in Lake Bunyonyi.[29]

Pollination is entomophilous.[6] In Kirstenbosch Botanical Gardens, South Africa, the flowers are visited by honey bees.[30] In fact, the carpellary appendages in this type of water-lily appear to have evolved specifically to attract bee species in general. In a way, these waterlilies are parasites of the services of bees, attracting the insects by deceit, without actually rewarding them for their labours.[17] In India plants bloom and fruit from May to October.[6]

The fruit suddenly bursts when ripe, and the scattered seed float away. The seed soon sinks.[4] Seeds often make it to the river's edge or lake shore, and can build up a significant seedbank here.[31] These seeds only germinate when heavy rains flood the banks, and they are submerged under a layer of water.[4][31] In cultivation, the plants take three to four years to flower from seed. In colder climates, the plants lose their leaves and go dormant during the winter, with the rhizomes remaining alive below the water.[4]

Gomphonema gracile is an epiphytic diatom found on N. caerulea in high elevation Lake Naivasha, Kenya.[32] In Kenya, N. caerulea is positively associated with the freshwater snail Biomphalaria pfeifferi, which is a main host of human schistosomiasis. The edible American crayfish Procambarus clarkii eliminates the mollusc, as well as feeding on the water-lily.[33] The crayfish was first introduced to Kenya in 1966 as a species with which to enhance the local fisheries.[34] In Lake Naivasha, N. caerulea was extremely common until the 1970s,[32] and there is still a seedbank around the shores of the lake. Procambarus clarkii was introduced to the lake in 1970, and now supports an annual harvest of a few thousand kilograms, but it may have been responsible for eliminating not only the water-lily in the main lake by 1983, but all native aquatic plant species in this water body. It is not the only potential culprit; invasive mats of exotic floating vegetation have also taken over the lake, two different commercially fishable fish species have been introduced, and the new fisheries upon these three species could all be responsible, or a combination.[31]

Uses

The rootstock of the blue water lily was collected and eaten in western South Africa around 1800, either raw or in curries, in particular by the Cape Malays and farming communities in the Cape, although this practice has now died out.[4]

Some evidence indicates the effects of plants including N. caerulea that contain the psychoactive alkaloid aporphine were known to both the Maya and the Ancient Egyptians.[35] The mildly sedating effects of N. caerulea makes it a candidate (among several) for the fruit of the lotus tree eaten by the mythical Lotophagi in Homer's Odyssey.

This lotus has been used to produce perfumes since ancient times; it is also used in aromatherapy.

Cultivation

It is grown as an ornamental plant for water gardens in tropical to subtropical regions around the world.[4][6] It is easy to grow in ponds in any part of Southern Africa, including the highveld, and is hardy to -1 °C.[4]

'Valentina's Pale Blue Eyes' is a registered cultivar of this species from 2018, bred in Italy partially from a clone known as 'Rwanda'.[16]

Religion and art

Ancient Egyptian funerary stele showing a dead man named Ba, seated at the centre, sniffing a sacred lily, New Kingdom, 18th Dynasty, ca. 1550–1292 BC

Along with the white lotus, Nymphaea lotus, also native to Egypt, the plant and flower are very frequently depicted in Ancient Egyptian art. They have been depicted in numerous stone carvings and paintings, including the walls of the temple of Karnak, and may be associated with rites pertaining to the afterlife. A number of pharaohs' mummies were covered with the petals of the flower. There are indications it was grown in special farms over 4,000 years ago to produce enough flowers for votive offerings, although it was apparently also simply grown as an ornamental in traditional Egyptian garden ponds.[4] N. caerulea was considered extremely significant in Egyptian mythology, regarded as a symbol of the sun, since the flowers are closed at night and open again in the morning. At Heliopolis, the origin of the world was taught to have been when the sun god Ra emerged from a lotus flower growing in "primordial waters". At night, he was believed to retreat into the flower again.[36] Due to its colour, it was identified, in some beliefs, as having been the original container, in a similar manner to an egg, of Atum, and in similar beliefs Ra, both solar deities. As such, its properties form the origin of the "lotus variant" of the Ogdoad cosmogeny. It was the symbol of the Egyptian deity Nefertem.[37]

Legal issues

Nymphaea caerulea is illegal in Latvia since November 2009. It is a schedule 1 drug. Possession of quantities up to 1 gram are fined up to 280 euros, for second offences within a year period criminal charges are applied. Possession of larger quantities can be punished by up to 15 years in prison.[38] The plant was banned in Poland in March 2009. Possession and distribution lead to a criminal charge.[39] N. caerulea is illegal in Russia since April 2009 along with related products such as Salvia divinorum, Argyreia nervosa and others.[40]

See also

Notes

  1. ^ Also known as Nymphaea caerulea,[2][3] and known in English as Egyptian lotus,[2][3] blue lotus,[2][4] blue water lily (RSA),[5][4] Cape water lily (RSA), frog's pulpit (RSA),[4] blue lotus of the Nile,[3] blue waterlily,[3] blue Egyptian lotus,[2] blue Egyptian water lily (India), sacred blue lily of the Nile (India),[6] Utpala (India), Cape blue waterlily (USA)[7][8][9] and sacred blue lily,[3]

References

  1. ^ a b c d e f g h i j k l m "Nymphaea nouchali var. caerulea (Savigny) Verdc". Plants of the World Online. Kew Science, Royal Botanic Gardens, Kew. March 2017. Retrieved 31 March 2021.
  2. ^ a b c d e f g h "Nymphaea nouchali var. caerulea". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 31 March 2021.
  3. ^ a b c d e f g h "Nymphaea caerulea". EPPO Global Database. European and Mediterranean Plant Protection Organization (EPPO). Retrieved 2020-10-17.
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w Viljoen, Cherise; Notten, Alice (January 2002). "Nymphaea nouchali var. caerulea". PlantZAfrica. South African National Biodiversity Institute. Retrieved 31 March 2021.
  5. ^ a b c Cholo, F.; Foden, W. (22 May 2006). "Blue Waterlily". Red List of South African Plants. version 2020.1. South African National Biodiversity Institute. Retrieved 1 April 2021.
  6. ^ a b c d e f g h i j k "Nymphaea caerulea". India Biodiversity Portal. Retrieved 31 March 2021.
  7. ^ a b c d Wiersema, John H. (21 August 1997). "Nymphaea capensis Thunberg, Prodr. Pl. Cap. 2: 92. 1800 in Nymphaea". In Flora of North America Editorial Committee, Nancy R. Morin (ed.). Flora of North America: North of Mexico. Vol. 3. Oxford: Oxford University Press. ISBN 9780195112467.
  8. ^ a b c "Nymphaea capensis Thunb". Integrated Taxonomic Information System. 2011. Retrieved 31 March 2021.
  9. ^ a b c Wunderlin, Richard P.; Hansen, Bruce F.; Franck, Alan R.; Essig, F. B. (30 March 2021). "Nymphaea capensis var. zanzibariensis". Atlas of Florida Plants. Institute for Systematic Botany, University of South Florida, Tampa. Retrieved 31 March 2021.
  10. ^ a b "Nymphaea nouchali Burm. f." Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). 30 January 2021. Retrieved 31 March 2021.
  11. ^ a b "Nymphaea capensis Thunb". Plants of the World Online. Kew Science, Royal Botanic Gardens, Kew. March 2017. Retrieved 1 April 2021.
  12. ^ a b c Biswal DK, Debnath M, Kumar S, Tandon P (2012). "Phylogenetic reconstruction in the Order Nymphaeales: ITS2 secondary structure analysis and in silico testing of maturase k (matK) as a potential marker for DNA bar coding". BMC Bioinformatics. 13 (Suppl 17): S26. doi:10.1186/1471-2105-13-S17-S26. PMC 3521246. PMID 23282079.
  13. ^ Zhang L, Chen F, Zhang X, Zhen L, Zhao Y, Lohaus R, Chang X, Dong W, Ho SY, Liu X, Song A, Chen J, Hu J, Liu Y, Qin Y, Wang K, Dong S, Liu Y, Zhang S, Yu X, Wu Q, Wang L, Yan X, Jiao Y, Kong H, Zhou X, Yu C, Chen Y, Li F, Wang J, Chen W, Chen X, Jia Q, Zhang C, Jiang Y, Zhang W, Liu G, Fu J, Chen F, Ma H, Van de Per Y, Tang H (2020). "The water lily genome and the early evolution of flowering plants". Nature. 577 (7788): 79–84. doi:10.1038/s41586-019-1852-5. PMC 7015852. PMID 31853069.
  14. ^ a b c Sun, Chunqing; Chen, Fadi; Teng, Nianjun; Yao, Yuemei; Dai, Zhongliang (March 2021). "Comparative analysis of the complete chloroplast genome of seven Nymphaea species (31 March 2020 preprint)". Aquatic Botany. 170 (1): 103353. doi:10.1016/j.aquabot.2021.103353. S2CID 233880112. Retrieved 1 April 2021.
  15. ^ a b Dezhi Fu; John H. Wiersema & Donald Padgett, Flora of China online, vol. 6, retrieved 31 March 2021
  16. ^ a b Andrea Bianchi (27 November 2018). Application to register a Nymphaeaceae Cultivar Name (Report). International Waterlily & Water Gardening Society Registrar, Denver Botanic Gardens. Retrieved 1 April 2021.
  17. ^ a b c d Zini, Lucía Melisa; Galati, Beatriz G.; Gotelli, Marina; Zarlavsky, Gabriela; Ferrucci, María Silvia (October 2019). "Carpellary appendages in Nymphaea and Victoria (Nymphaeaceae): evidence of their role as osmophores based on morphology, anatomy and ultrastructure". Botanical Journal of the Linnean Society. 191 (4): 421–439. doi:10.1093/botlinnean/boz078. Retrieved 1 April 2021.
  18. ^ a b c d e f g h Mendoça, F. A. (1960). Nymphaea capensis in Flora Zambesiaca. Vol. 1. Royal Botanic Gardens, Kew. p. 175.
  19. ^ a b "Nymphaea capensis Thunb". New South Wales Flora Online. National Herbarium of New South Wales, the Royal Botanic Garden, Sydney. May 2011. Retrieved 31 March 2021.
  20. ^ Poklis JL, Mulder HA, Halquist MS, Wolf CE, Poklis A, Peace MR (2017). "The Blue Lotus Flower (Nymphea caerulea) Resin Used in a New Type of Electronic Cigarette, the Re-Buildable Dripping Atomizer". Journal of Psychoactive Drugs. 49 (3): 175–181. doi:10.1080/02791072.2017.1290304. PMC 5638439. PMID 28266899.
  21. ^ Reida, Megan K.; Naidu, Prinavin; Paterson, Iain D.; Mangan, Rosie; Coetzee, Julie A. (April 2021). "Population genetics of invasive and native Nymphaea mexicana Zuccarini: Taking the first steps to initiate a biological control programme in South Africa". Aquatic Botany. 171 (103372): 103372. doi:10.1016/j.aquabot.2021.103372. ISSN 0304-3770. S2CID 233965194.
  22. ^ a b c "Nymphaea caerulea Savigny". Weeds of Australia. Identic Pty Ltd. 2016. Retrieved 31 March 2021.
  23. ^ a b c d "Nymphaea nouchali var. caerulea (Savigny) Verdc". African Plant Database. Conservatoire et Jardin botaniques & South African National Biodiversity Institute. 2012. Retrieved 1 April 2021.
  24. ^ "Search results: Nymphaea capensis var. katangensis". Jstor. Ithaka. Retrieved 1 April 2021.
  25. ^ Knotts, Kit (2006). "The Official Preliminary Checklist of Water Gardeners International - Waterlily Names - List of Those Not Accepted". Victoria Adventure. Water Gardeners International. Retrieved 1 April 2021.
  26. ^ Kateyo, E. (November 2006). "Biodiversity of an interface zone of a nutrient-deficient lake (Nabugabo) in Uganda: Macrophytes". African Journal of Ecology. 45 (2): 130–134. doi:10.1111/j.1365-2028.2006.00490.x. Retrieved 31 March 2021.
  27. ^ Kateyo, E. (September 2007). "Ecology of a nutrient-deficient interface zone of Lake Nabugabo, Uganda". African Journal of Ecology. 45 (3): 282–284. doi:10.1111/j.1365-2028.2006.00703.x.
  28. ^ Efitre, J.; Chapman, L. J.; Makanga, B. (2001). "The inshore benthic macroinvertebrates of Lake Nabugabo, Uganda: seasonal and spatial patterns". African Zoology. 36 (2): 205–216. doi:10.1080/15627020.2001.11657139. S2CID 88295980.
  29. ^ Gidudu, Brian; Copeland, Robert S.; Wanda, Fred; Ochaya, H.; Cuda, J. P.; Overholt, W. A. (January 2011). "Distribution, interspecific associations and abundance of aquatic plants in Lake Bisina, Uganda". Journal of Aquatic Plant Management. 49 (1). Retrieved 31 March 2021.
  30. ^ "Indigenous South African Plants that Provide Food for Honey Bees" (PDF). South African National Biodiversity Institute. April 2018. Retrieved 31 March 2021.
  31. ^ a b c Harper, David Malcolm; Smart, Andrew; Coley, Stephanie; Schmitz, Sophie; Gouder, Anne-Christine; North, Rick; Adams, Chris; Obade, Paul; Kamau, Mbogo (November 2002). "Distribution and Abundance of the Louisiana Red Swamp Crayfish Procambarus clarkii Girard at Lake Naivasha, Kenya, Between 1987 and 1999". Hydrobiologia. 488 (1): 143–151. doi:10.1023/A:1023330614984. S2CID 35987722. Retrieved 1 April 2021.
  32. ^ a b Cocquyt, Christine; De Wever, Aaike (January 2002). "Epiphytic diatom communities on herbarium material from Lake Naivasha and Lake Sonachi, Eastern Rift Valley, Kenya". Belgian Journal of Botany. 135 (1): 38–49. JSTOR 20794498.
  33. ^ Hofkin, Bruce V.; Koech, Davy K.; Oumaj, John; Loker, Eric S. (October 1991). "The North American Crayfish Procambarus clarkii and the Biologica Control of Schistosome-Transmitting Snails in Kenya: Laboratory and Field Investigations". Biological Control. 1 (3): 183–187. doi:10.1016/1049-9644(91)90065-8.
  34. ^ Madzivanzira, Takudzwa C.; South, Josie; Wood, Louisa E.; Nunes, Ana L.; Weyl, Olaf L. F. (13 August 2020). "A Review of Freshwater Crayfish Introductions in Africa". Reviews in Fisheries Science & Aquaculture. 29 (2): 218–241. doi:10.1080/23308249.2020.1802405. hdl:10019.1/112592. S2CID 225380619. Retrieved 1 April 2021.
  35. ^ Bertol, Elisabetta; Fineschi, Vittorio; Karch, Steven B.; Mari, Francesco; Riezzo, Irene (2004). "Nymphaea cults in ancient Egypt and the New World: a lesson in empirical pharmacology". Journal of the Royal Society of Medicine. 97 (2): 84–85. doi:10.1177/014107680409700214. PMC 1079300. PMID 14749409.
  36. ^ Rawson, Jessica, Chinese Ornament: The lotus and the dragon, pp. 200 (quoted)–202, 1984, British Museum Publications, ISBN 0-714-11431-6
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  40. ^ "Постановление Правительства Российской Федерации от 31 декабря 2009 г. № 1186". 2009. Archived from the original on 2012-03-10. Retrieved 2016-05-05.

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wikipedia EN

Nymphaea nouchali var. caerulea: Brief Summary ( Inglês )

fornecido por wikipedia EN

Nymphaea nouchali var. caerulea, is a water lily in the genus Nymphaea, a botanical variety of Nymphaea nouchali.

It is an aquatic plant of freshwater lakes, pools and rivers, naturally found throughout most of the eastern half of Africa, as well as parts of southern Arabia, but has also been spread to other regions as an ornamental plant. It was grown by the Ancient Egyptian civilization, and had significance in their religion. It can tolerate the roots being in anoxic mud in nutritionally poor conditions, and can become a dominant plant in deeper water in such habitats. It is associated with a species of snail, which is one of the main hosts of the pathogen causing human schistosomiasis. The underwater rhizomes are edible. Like other species in the genus, the plant contains the psychoactive alkaloid aporphine (not to be confused with apomorphine, a metabolic product of aporphine).

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Nymphaea caerulea ( Espanhol; Castelhano )

fornecido por wikipedia ES

Nymphaea caerulea, también conocida como loto de Egipto, loto azul egipcio o nenúfar azul, es una especie de planta acuática perteneciente a la familia de las ninfáceas.

Distribución geográfica

Su hábitat original puede haber sido a lo largo del Nilo y otras áreas del Este de África. Se extendió ya en tiempos antiguos a otros lugares como Tailandia y el Subcontinente Indio. Se puede confundir con el loto azul (Nelumbo nucifera), ya que puede ser conocida por este nombre. Históricamente ha sido conocido como el loto azul y el loto sagrado, sobre todo por su veneración entre los antiguos egipcios, nubios, abisinios y otras civilizaciones del África histórica del mundo antiguo.

Descripción

Las hojas son ampliamente redondas de 25-40 cm de ancho, con una muesca en la hoja del tallo. Las flores son de 10-15 cm de diámetro. Informes efectuados por personas familiarizadas con su actual ciclo de crecimiento y floración han sugerido que las flores se abren en la mañana, llegando a la superficie del agua, a continuación, se cierran y se hunden en el crepúsculo. En realidad, los capullos alcanzan la superficie durante un período de dos a tres días, y cuando están listos, se abren. Las flores y capullos no se elevan por encima del agua en la mañana, ni se sumergen en la noche. Las flores tienen los pétalos de color pálido a blanco azulado cielo azul, cambiando a un color amarillo pálido en el centro de la flor.

 src=
Estela funeraria con una anciano egipcio esnifando la planta sagrada.

Historia

El loto azul se consideró muy importante en la mitología egipcia, ya que se abría con la luz y se cerraba con la oscuridad.[2]​ Este proceso lo ligaba al sol, como un renacimiento diario.

El loto azul, debido a que brota en aguas estancadas, por su forma y colores que simulan el cielo, se identificó (de manera similar a un huevo) con el contenedor original del dios solar Atum, que había surgido del océano primigenio.

En la cosmogonía de la Ogdóada, se creó el montículo sobre el cual engendraron el huevo del que surgió otro dios solar: Ra. Fue también el símbolo del dios egipcio Nefertum.

Esta planta se emplea en perfumería y aromaterapia.

Estudios recientes han demostrado que tiene propiedades psicoactivas, por lo que se piensa que pudo haber tenido uso ritual en el Antiguo Egipto y en algunas culturas antiguas de América del Sur. Las dosis de 5 a 10 gramos de flores inducen una ligera estimulación, un cambio en los procesos de pensamiento y un aumento de la percepción visual.

Nymphaea caerulea es una pariente lejana del loto sagrado (Nelumbo nucifera), y tiene principios activos similares. Una planta y la otra contienen alcaloides: nuciferina y aporfina.

Sus efectos psicoactivos hacen del loto azul uno de los candidatos a ser identificados como la planta de los lotófagos de la Odisea.

 src=
Vasos egipcios representando Nymphaea caerulea.
 src=
Detalle de un banquete esnifando el loto sagrado en la tumba de Nebseni.

Sinonimia

Castalia zanzibariensis (Casp.) Britton
Leuconymphaea zanzibariensis (Casp.) Kuntze
Nymphaea capensis var. zanzibariensis (Casp.) Conard
Nymphaea colorata Peter
Nymphaea colorata var. parviflora
Nymphaea grandiflora Peter
Nymphaea nouchali var. zanzibariensis (Casp.) Verdc.
Nymphaea pandiflora Peter
Nymphaea polychroma Peter
Nymphaea purpurascens Peter
Nymphaea sphaerantha Peter
Nymphaea stellata var. zanzibariensis (Casp.) Hook.f.
Nymphaea zanzibariensis Casp.
Nymphaea zanzibariensis var. pallida Peter
Castalia scutifolia Salisb.
Nymphaea calliantha Conard
Nymphaea calliantha var. tenuis Conard, 1904
Nymphaea capensis Thunb.
Nymphaea capensis var. alba K.C.Landon
Nymphaea engleri Gilg
Nymphaea magnifica Gilg
Nymphaea mildbraedii Gilg
Nymphaea muschleriana Gilg
Nymphaea nelsonii Burtt Davy
Nymphaea nouchali var. caerulea (Savigny) Verdc.
Nymphaea nubica Lehm.
Nymphaea scutifolia (Salisb.) DC.
Nymphaea spectabilis Gilg
Nymphaea radiata Bercht. & Opiz, 1825;
Nymphaea abbreviata Guill. & Perr., 1831;
Nymphaea poecila Lehm., 1852; ?
Nymphaea discolor Steud. ex Lehm., 1853;
Nymphaea caerulea var. albiflora Casp., 1877;
Nymphaea calliantha Conard, 1904;
Nymphaea caerulea var. versicolor T. Durand & H. Durand, 1909;
Nymphaea cyclophylla R.E. Fr., 1914;
Nymphaea calliantha var. nelsonii Burtt Davy, 1924;
Nymphaea nouchali var. mutandaensis Verdc., 1989)

Referencias

  1. «Nymphaea caerulea information from NPGS/GRIN». www.ars-grin.gov. Archivado desde el original el 5 de junio de 2011. Consultado el 4 de diciembre de 2008.
  2. The Egyptian 'Lotus' Nymphaea Caerulea (En inglés)

Sistema Integrado de Información Taxonómica. «Nymphaea caerulea (TSN 506589)» (en inglés).

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Nymphaea caerulea: Brief Summary ( Espanhol; Castelhano )

fornecido por wikipedia ES

Nymphaea caerulea, también conocida como loto de Egipto, loto azul egipcio o nenúfar azul, es una especie de planta acuática perteneciente a la familia de las ninfáceas.

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Autores y editores de Wikipedia
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Lotus bleu d'Égypte ( Francês )

fornecido por wikipedia FR

Nymphaea caerulea

Le Lotus bleu d’Égypte (Nymphaea caerulea) est une espèce de plantes aquatiques de la famille des Nymphaeaceae . Il ne s'agit pas d'un véritable Lotus dont le genre est Nelumbo, qui lui fait partie de la famille des Nelumbonaceae. Cette plante est culturellement essentielle en Égypte antique.

Description

Nymphaea caerulea est une plante aquatique fixée dans la vase, possédant des feuilles flottantes et des fleurs émergées, brillamment colorées, dont les pétales bleu-violacé contrastent avec les étamines jaunes.

Usages

Nymphaea caerulea a fait l'objet d'un culte rituel dans l'Égypte antique. Contenant de l'Aporphine (en) et d'autres alcaloïdes hallucinogènes, il est utilisé pour ses vertus psychotropes[3],[4]. Ses fleurs sont également utilisées en tant que parures funéraires au même titre que les parures d'or et objets précieux, notamment dans les guirlandes végétales qui parent la momie de Ramsès II[5],[6]. Il partage avec une espèce proche à fleurs blanches, Nymphaea lotus, une riche iconographie qui orne les objets et murs de cette période et un hiéroglyphe leur est assigné montrant ainsi leur importance culturelle essentielle.

Liste des sous-espèces

Selon Tropicos (21 août 2014)[7] :

  • sous-espèce Nymphaea caerulea subsp. zanzibarensis (Casp.) S.W.L. Jacobs

Références

  1. a b c d et e The Plant List (2013). Version 1.1. Published on the Internet; http://www.theplantlist.org/, consulté le 4 janvier 2019
  2. a b c d e f g h i j et k BioLib, consulté le 4 janvier 2019
  3. (en) Vittorio Fineschi et al., « Nymphaea cults in ancient Egypt and the New World: a lesson in empirical pharmacology », Journal of the royal society of medecine, vol. 97, no 2,‎ 2004, p. 84-85 (DOI , lire en ligne)
  4. Petit dico des drogues par le collectif FTP chez Esprit frappeur, 1997. page 84.
  5. « Guirlandes de Ramsès II », sur Muséum national d'Histoire naturelle (consulté le 22 février 2021)
  6. Pierre Barthélémy (photogr. Gilles Mermet / Muséum National d'Histoire Naturelle), « « Trésors du Muséum » : les guirlandes funéraires de Ramsès II, retrouvées par hasard dans un vieux carton après vingt-huit ans d’oubli », sur lemonde.fr, Le Monde, 16 août 2021
  7. Tropicos.org. Missouri Botanical Garden., consulté le 21 août 2014

Voir aussi

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wikipedia FR

Lotus bleu d'Égypte: Brief Summary ( Francês )

fornecido por wikipedia FR

Nymphaea caerulea

Le Lotus bleu d’Égypte (Nymphaea caerulea) est une espèce de plantes aquatiques de la famille des Nymphaeaceae . Il ne s'agit pas d'un véritable Lotus dont le genre est Nelumbo, qui lui fait partie de la famille des Nelumbonaceae. Cette plante est culturellement essentielle en Égypte antique.

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wikipedia FR

Nymphaea nouchali ( Italiano )

fornecido por wikipedia IT

Nymphaea nouchali Burm.f.è una pianta acquatica della famiglia Nymphaeaceae.[1]

Tassonomia

Sono note le seguenti varietà:[1]

  • Nymphaea nouchali var. caerulea (Savigny) Verdc. (sin.: Nymphaea capensis)
  • Nymphaea nouchali var. mutandaensis Verdc.
  • Nymphaea nouchali var. ovalifolia (Conard) Verdc.
  • Nymphaea nouchali var. petersiana (Klotzsch) Verdc.
  • Nymphaea nouchali var. versicolor (Sims) R.Ansari & Jeeja
  • Nymphaea nouchali var. zanzibariensis (Casp.) Verdc.

Note

  1. ^ a b (EN) Nymphaea nouchali, su Plants of the World Online, Royal Botanic Gardens, Kew. URL consultato il 15 gennaio 2021.

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Nymphaea nouchali: Brief Summary ( Italiano )

fornecido por wikipedia IT

Nymphaea nouchali Burm.f.è una pianta acquatica della famiglia Nymphaeaceae.

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