Lespedeza two-colored [2] ( lat. Lespedeza bicolor ) - a species of flowering plants of the genus Lespedeza ( lat. Lespedeza ) of the legume family ( lat. Fabaceae ).
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Lespedeza bicolor Turcz. | |||||||||||||||||||||||||||
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Content
- 1 Botanical Description
- 2 Area
- 3 Features of the chemical composition
- 4 Economic value and application
- 5 Synonymy
- 6 notes
- 7 Literature
- 8 References
Botanical Description
Erect shrub 1-3 m tall and as wide as in cold climates plants reach smaller sizes. In one season, it can grow by 1.5 m. It forms a powerful root system . The stems can reach 3 cm in diameter. Branches are slightly pubescent. Three -membered leaves , the central leaf reaches 1.5-6 cm in length and 1-3.5 cm in width. The underside of the leaves is bright green, pubescent.
Purple moth flowers collected in axillary long, curved panicles appear from July to September (up to 15 flowers in inflorescence ). A cup is 0.5 cm long; its three sepals are short. Petals can reach 1 cm in length, they are purple or, less commonly, white. The ovary is pubescent, 1 × 0.5 cm in size.
The fruit is a flat, single - seed bean about 1 cm long [3] .
Range
Lespedetsa two-tone is widespread in China , as well as its neighboring regions of Russia , in Japan , Korea and, possibly, Mongolia . It grows on the outskirts of forests and in thickets at an altitude of 100 to 1000 m above sea level .
Chemical Features
Two-colored lespedetsa contains bufotenin , I-methoxy-N, N-dimethyltryptamine (lespedamine) in its roots and leaves, as well as related N ω , N ω - dimethyltrilamines and their oxides [4] .
Economic Significance and Application
Two-color lespedets planted to prevent soil erosion . It is possible to obtain oil from its seeds, stems can be used for weaving, a decoction of leaves is used as tea. In Central Europe and the USA, the plant is cultivated in parks and gardens for decorative purposes. Many varieties are bred, the most famous are 'Little Buddy' and 'Yakushima'. Forming dense clusters, this species can become an aggressive weed . In the USA, where this species is introduced , it has become invasive [3] .
Synonymy
- Lespedeza bicolor var. japonica nakai
- Lespedeza bicolor f. pendula SL Tung & Z. Lu
- Lespedeza veitchii Ricker [5]
Notes
- ↑ For the conventionality of indicating the class of dicotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Dicotyledonous article .
- ↑ Lespedeza bicolor : information on the taxon in the Plantarium project (identifier of plants and illustrated atlas of species). (Retrieved January 20, 2016)
- ↑ 1 2 Gucker, Corey L. (2010) Lespedeza bicolor . In: Fire Effects Information System, [Online]. US Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Retrieved 11-25-2011.
- ↑ Morimoto & Oshio (1965), Morimoto & Matsumoto (1966)
- ↑ Lespedetsa two-tone (English) : information on the name of a taxon on The Plant List (version 1.1, 2013) . (Retrieved January 19, 2016)
Literature
- Puhua Huang, Hiroyoshi Ohashi, Tomoyuki Nemoto: Lespedeza. In: Wu Zhengyi, Peter H. Raven (Hrsg.): Flora of China. Bd. 10, Missouri Botanical Garden Press, St. Louis 1994+, p. 306 (eFloras.org).
- Andreas Bärtels: Enzyklopädie der Gartengehölze. Ulmer Verlag, Stuttgart 2001, ISBN 3-8001-3198-6 , S. 379
Links
- Lespedetsa is two-colored : information on a taxon in the Plantarium project (a identifier of plants and an illustrated atlas of species). (Retrieved August 27, 2012)