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Physical Description

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Perennial, Herbs, Plants with rhizomes or suckers, Nodules present, Stems erect or ascending, Stems less than 1 m tall, Stems 1-2 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules free, Leaves compound, Leaves pinnately 3-foliolate, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 3, Leaves hairy on one or both surfaces, Flowe rs in axillary clusters or few-floweredracemes, 2-6 flowers, Inflorescence axillary, Bracteoles present, Flowers zygomorphic, Calyx 5-lobed, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals white, Petals ochroleucous, cream colored, Petals bicolored or with red, purple or yellow streaks or spots, Banner petal ovoid or obovate, Wing petals narrow, oblanceolate to oblong, Wing petals auriculate, Wing tips obtuse or rounded, Keel petals auriculate, spurred, or gibbous, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit oblong or ellipsoidal, Fruit enclosed in calyx, Fruit glabrous or glabrate, Fruit 1-seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.
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Lespedeza cuneata

provided by wikipedia EN

Lespedeza cuneata is a species of flowering plant in the legume family known by the common names Chinese bushclover and sericea lespedeza, or just sericea.[2] It is native to Asia and eastern Australia[3] and it is present elsewhere as an introduced species and sometimes an invasive plant.[4]

This plant is a perennial herb with branching stems reaching a maximum height around two meters. It grows from a woody taproot which may exceed one meter in length and which is topped with a woody caudex. The stems are covered densely in leaves, which are each divided into leaflets up to 2.5 centimetres (1 inch) long. Flowers occur singly or in clusters of up to three in the leaf axils. Some of the flowers are cleistogamous, remaining closed and self-pollinating.[2] The open flowers are purple, cream, white, or yellowish in color.[4] The fruit is a legume pod containing one seed.[2]

This plant has been introduced to the United States, South Africa, Brazil, Canada, and Mexico.[4] It was first planted in the US in North Carolina in 1896. It was used to control erosion and to revegetate abandoned mine sites and was used as forage for livestock. It was useful in areas susceptible to drought because its deep roots can keep it alive. A number of cultivars have been developed, including 'Arlington', 'Serala', 'AU Lotan', 'AU Donnelly', 'AU Grazer', and 'Interstate'.[2]

The plant is considered invasive in many areas such as the tallgrass prairie in the Flint Hills of Kansas.[5] When it invades a habitat it reduces the abundance and diversity of native plants and can make the area less attractive to wildlife. It may inhibit the growth of tree seedlings. It may be allelopathic, producing substances that chemically inhibit the growth of other plants.[2] The species also features on the European list of invasive alien species.[6] It is now illegal to sell, transport and breed this plant in the whole of the European Union.[7]

Possible biological pest control agents include the Lespedeza webworm (Tetralopha scortealis). It will probably not be approved for use, however, because it does not discriminate between native and invasive Lespedezas. Grazing may also be a way to control the plant, especially by goats.[2]

Noxious weed laws

United States

At least the following states have restrictions on this plant: Colorado, Kansas, Nebraska, and New York.[8]

Gallery

References

  1. ^ Lopez Poveda, L. (2012). "Lespedeza cuneata". IUCN Red List of Threatened Species. 2012: e.T19892702A20093791. doi:10.2305/IUCN.UK.2012.RLTS.T19892702A20093791.en. Retrieved 18 November 2021.
  2. ^ a b c d e f Gucker, Corey. (2010) (Revised from Munger, Gregory T., 2004). Lespedeza cuneata. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Retrieved 11-26-2011.
  3. ^ "Lespedeza cuneata". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2011-11-26.
  4. ^ a b c Lespedeza cuneata. Global Invasive Species Database. Retrieved 11-26-2011.
  5. ^ Pearce, Michael (2020-05-14). "How invasive plants could overrun America's largest remaining tallgrass prairie". The Beacon. Retrieved 2021-03-01.
  6. ^ "Union List IAS". Ec.europa.eu.{{cite web}}: CS1 maint: url-status (link)
  7. ^ "European Regulation Invasive Alien Species". Eur-lex.europa.eu.{{cite web}}: CS1 maint: url-status (link)
  8. ^ "New York State : Prohibited and Regulated Invasive Plants" (PDF). Dec.ny.gov. September 10, 2014. Retrieved 2022-03-12.

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Lespedeza cuneata: Brief Summary

provided by wikipedia EN

Lespedeza cuneata is a species of flowering plant in the legume family known by the common names Chinese bushclover and sericea lespedeza, or just sericea. It is native to Asia and eastern Australia and it is present elsewhere as an introduced species and sometimes an invasive plant.

This plant is a perennial herb with branching stems reaching a maximum height around two meters. It grows from a woody taproot which may exceed one meter in length and which is topped with a woody caudex. The stems are covered densely in leaves, which are each divided into leaflets up to 2.5 centimetres (1 inch) long. Flowers occur singly or in clusters of up to three in the leaf axils. Some of the flowers are cleistogamous, remaining closed and self-pollinating. The open flowers are purple, cream, white, or yellowish in color. The fruit is a legume pod containing one seed.

This plant has been introduced to the United States, South Africa, Brazil, Canada, and Mexico. It was first planted in the US in North Carolina in 1896. It was used to control erosion and to revegetate abandoned mine sites and was used as forage for livestock. It was useful in areas susceptible to drought because its deep roots can keep it alive. A number of cultivars have been developed, including 'Arlington', 'Serala', 'AU Lotan', 'AU Donnelly', 'AU Grazer', and 'Interstate'.

The plant is considered invasive in many areas such as the tallgrass prairie in the Flint Hills of Kansas. When it invades a habitat it reduces the abundance and diversity of native plants and can make the area less attractive to wildlife. It may inhibit the growth of tree seedlings. It may be allelopathic, producing substances that chemically inhibit the growth of other plants. The species also features on the European list of invasive alien species. It is now illegal to sell, transport and breed this plant in the whole of the European Union.

Possible biological pest control agents include the Lespedeza webworm (Tetralopha scortealis). It will probably not be approved for use, however, because it does not discriminate between native and invasive Lespedezas. Grazing may also be a way to control the plant, especially by goats.

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Wikipedia authors and editors
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wikipedia EN