Thunberg's bush clover
Thunberg's bush clover | ||||||||||||
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Thunberg's bush clover (habitus) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Lespedeza thunbergii | ||||||||||||
( DC. ) Nakai |
Lespedeza thunbergii ( Lespedeza thunbergii (DC.) Nakai , Syn. Lespedeza sieboldii Miq. Is) a plant in the genus bush clover ( Lespedeza ). The herbaceous or woody plants are widespread in East Asia. They are occasionally used as ornamental shrubs because of their attractive flowering in autumn.
description
The plant is herbaceous to woody and is one to three meters high. The branches, petioles, flower stalks and the undersides of the leaves are hairy. The branches are round in cross-section, in contrast to the similar Lespedeza davidii with angular branches. The leaves are in three parts, the middle leaf measures 2.5 to 6 cm in length and 1 to 3 cm wide.
The flowering period extends from July to September. The racemose or slightly branched inflorescences are in the leaf axils, they clearly tower above the leaves. The calyx is 0.4 to 0.7 cm long, with five free, elongated-lanceolate lobes. The petals reach 1 to 1.5 cm in length, they are colored purple or rarely white. The solitary, hairy pod is 0.8 × 0.4 cm in size and is inverted-egg-shaped.
The number of chromosomes is 2n = 22.
distribution
Thunberg's bush clover is widespread from northeast India across China to Taiwan, Japan and Korea. It grows on the edges of forests and in bushes at altitudes of up to 2800 meters.
use
The plant is cultivated as an ornamental shrub in parks and gardens in Central Europe. The species is one of the most beautiful flowering shrubs in late autumn.
Systematics
Thunberg's bush clover belongs to the genus bush clover ( Lespedeza ) in the subfamily of the butterflies (Faboideae) within the family of the legumes (Fabacea). It was described as Desmodium thunbergii by Augustin Pyrame de Candolle in 1825 and placed in the genus Lespedeza by Nakai Takenoshin in 1927 .
There are three subspecies, which can be distinguished by the details of the sepals:
- Lespedeza thunbergii subsp. elliptica (Bentham ex Maximowicz) H.Ohashi - Northeast India and South China, subshrub
- Lespedeza thunbergii subsp. formosa (bird) H.Ohashi - South China and Taiwan, subshrub
- Lespedeza thunbergii subsp. thunbergii - Northeast India, China, Japan and Korea, herbaceous to woody
Individual evidence
- ↑ a b c d Puhua Huang, Hiroyoshi Ohashi, Tomoyuki Nemoto: Lespedeza . In: Deyuan Hong, Wu Zhengyi, Peter H. Raven (eds.): Flora of China . tape 10 : Fabaceae . Missouri Botanical Garden Press, St. Louis 2010, ISBN 978-1-930723-91-7 , pp. 305 ( eFloras.org ).
- ^ Lespedeza thunbergii at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ↑ Andreas Bärtels: Encyclopedia of the garden trees. Ulmer Verlag, Stuttgart 2001, ISBN 3-8001-3198-6 , p. 379.
- ↑ Dumont's Great Plant Encyclopedia. DuMont Buchverlag, Cologne 2000, ISBN 3-7701-4350-7 , p. 603.
Web links
- Lespedeza thunbergii in the Red List of Threatened Species of IUCN 21013.1. Listed by: Lopez Poveda, L, 2012. Retrieved September 16, 2013.