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Mischogyne elliotianum (Engl. & Diels) R. E. Fr.

Mischogyne elliotiana

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Mischogyne elliotiana is a species of plant in the Annonaceae family. It is native to Cameroon, Gabon, Ghana, Guinea-Bissau, Ivory Coast, Liberia, Nigeria, Sierra Leone, and Zaire.[2] Adolf Engler and Ludwig Diels, the German botanists who first formally described the species using the basionym Uvaria elliotiana, named it after George Scott-Elliot the botanist who collected the specimen they examined.[3]

Description

Photograph of Mischogyne elliotiana fruit

It is a bush reaching 4-7 meters in height. Its elliptical leaves are 8-17 by 4-8 centimeters. Its hairless leaves are wedge shaped at their point of attachment and come to a long tapering point at their tips. The leaves have a papery to leathery texture and are glossy green on their upper side and lighter on their underside. The leaves have 7-13 pairs of secondary veins emanating from either side of their midribs. Its hairless petioles are 5-7 millimeters long. Its flowers are solitary or in groups of 2-4. The flowers are on 0.7-1.5 centimeter pedicels that are covered in fine hairs and occur in axillary positions. The pedicels are subtended by a small bract. Its oblong sepals are 10 by 3.5-4 millimeters, covered in fine hairs on both sides, and come to a shallow point at their tips. Its flowers have 6 white petals arranged in two rows of three. The outer, oblong petals are 15 by 3-4 millimeters, and covered in woolly hairs on both sides. The inner petals are slightly shorter. Its flowers have cylindrical receptacles that are 3-4 millimeters long. Its flowers have numerous oblong stamens that are 2-2.5 millimeters long. The tissue that connects the theca is hairy an terminates in a tuft of hairs at the top of the anthers. Its flowers have 4-5 oblong, carpels that are 5-7 millimeters long and covered in hairs. Its stigmas are bilobed. The carpels contain numerous ovules in two rows. Its are green to yellow with white spots, 6-10 by 4-6 centimeters, and have a contour that is constricted around the seeds. Its fruit have 6-12 seeds that are 2-2.8 by 1.2-1.5 by 0.3-0.5 centimeters, arranged in 1 or two rows. The seeds are flat on one side, semi-circular on the opposite side, and covered in a white membrane.[4][5]

Reproductive biology

The pollen of M. elliotiana is shed as permanent tetrads.[6]

Habitat and distribution

It has been observed growing in evergreen or semideciduous forests that receive 100-400 centimeters of rain per year.[5]

Uses

Gosline and colleagues report the white flesh of the fruits as being edible.[5]

References

  1. ^ Rokni, S. (2016). "Mischogyne elliotiana". IUCN Red List of Threatened Species. 2016: e.T85729141A85729179. doi:10.2305/IUCN.UK.2016-1.RLTS.T85729141A85729179.en. Retrieved 20 November 2021.
  2. ^ "Mischogyne elliotiana (Engl. & Diels) R.E.Fr. ex Le Thomas". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved September 9, 2019.
  3. ^ Engler, Adolf (1901). "Anonaceae. Bearbeiter von A. Engler und L. Diels". Monographien afrikanischer Pflanzen-Familien und -Gattungen (in German and Latin). Vol. 6. Leipzig: Engelmann. p. 30.
  4. ^ Le Thomas, Annick (1969). "Mischogyne". Flore du Gabon. 16: 284–287.
  5. ^ a b c Gosline, George; Marshall, Andrew R.; Larridon, Isabel (2019). "Revision and new species of the African genus Mischogyne (Annonaceae)". Kew Bulletin. 74 (2). doi:10.1007/s12225-019-9804-7. ISSN 0075-5974.
  6. ^ Knox, R.B.; McConchie, C.A. (1986). "Structure and function of compound pollen". In Blackmore, S.; Ferguson, I.K. (eds.). Pollen and Spores Form and Function. Academic Press. pp. 265–282. ISBN 0-12-103460-7.
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Mischogyne elliotiana: Brief Summary

provided by wikipedia EN

Mischogyne elliotiana is a species of plant in the Annonaceae family. It is native to Cameroon, Gabon, Ghana, Guinea-Bissau, Ivory Coast, Liberia, Nigeria, Sierra Leone, and Zaire. Adolf Engler and Ludwig Diels, the German botanists who first formally described the species using the basionym Uvaria elliotiana, named it after George Scott-Elliot the botanist who collected the specimen they examined.

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Mischogyne elliotianum ( Polish )

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Mischogyne elliotianum (Engl. & Diels) R.E.Fr. – gatunek rośliny z rodziny flaszowcowatych (Annonaceae Juss.). Występuje naturalnie w Gwinei, Sierra Leone, Wybrzeżu Kości Słoniowej, Ghanie, Togo, Kamerunie oraz Gabonie[3][4].

Morfologia

Pokrój
Zimozielony krzew dorastające do 4–6 m wysokości[4].
Liście
Mają eliptycznie podłużny lub eliptycznie odwrotnie jajowaty kształt. Mierzą 13–20 cm długości oraz 5–7,5 cm szerokości. Nasada liścia jest klinowa. Blaszka liściowa jest o spiczastym wierzchołku. Ogonek liściowy jest nagi i dorasta do 5–7 mm długości[4].
Kwiaty
Są pojedyncze lub zebrane w pary, rozwijają się w kątach pędów. Działki kielicha mają podłużnie owalny kształt i dorastają do 10 mm długości. Płatki mają kształt od podłużnego do podłużnie lancetowatego i osiągają do 15 mm długości. Dno kwiatowe ma cylindryczny kształt i mierzy 3–4 mm długości. Kwiaty mają 4–5 owłosionych owocolistków o podłużnym kształcie i długości 5–7 mm[4].

Zmienność

W obrębie tego gatunku wyróżniono jedną odmianę[2]:

  • Mischogyne elliotianum var. gabonensis Pellegrin Ex Le Thom

Przypisy

  1. Stevens P.F.: Angiosperm Phylogeny Website (ang.). 2001–. [dostęp 2009-06-01].
  2. a b c Mischogyne elliotianum (Engl. & Diels) R.E.Fr. (ang.). The Plant List. [dostęp 15 października 2015].
  3. Mischogyne elliotianum – Maps (ang.). Encyclopedia of Life. [dostęp 15 października 2015].
  4. a b c d Mischogyne elliotianum (fr.). Plantes & botanique. [dostęp 15 października 2015].
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Mischogyne elliotianum: Brief Summary ( Polish )

provided by wikipedia POL

Mischogyne elliotianum (Engl. & Diels) R.E.Fr. – gatunek rośliny z rodziny flaszowcowatych (Annonaceae Juss.). Występuje naturalnie w Gwinei, Sierra Leone, Wybrzeżu Kości Słoniowej, Ghanie, Togo, Kamerunie oraz Gabonie.

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Mischogyne elliotianum ( Vietnamese )

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Mischogyne elliotianum là loài thực vật có hoa thuộc họ Na. Loài này được (Engl. & Diels) R.E. Fr. mô tả khoa học đầu tiên năm 1955.[1]

Tham khảo

  1. ^ The Plant List (2010). Mischogyne elliotianum. Truy cập ngày 20 tháng 6 năm 2013.

Liên kết ngoài


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Mischogyne elliotianum: Brief Summary ( Vietnamese )

provided by wikipedia VI

Mischogyne elliotianum là loài thực vật có hoa thuộc họ Na. Loài này được (Engl. & Diels) R.E. Fr. mô tả khoa học đầu tiên năm 1955.

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wikipedia VI