Hylodesmum repandum
| Hylodesmum repandum | ||||||||||||
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Hylodesmum repandum |
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| Scientific name | ||||||||||||
| Hylodesmum repandum | ||||||||||||
| ( Vahl ) H.Ohashi & RRMill |
Hylodesmum repandum is a species from the legume family . Their distribution area is in the tropics and subtropics of the Old World and ranges from West Africa to East Asia.
features
Hylodesmum repandum is an upright subshrub and reaches heights between 50 and 150 centimeters. The stem is hairy, as is the 3 to 9 cm long petiole . The leaves have three leaflets from rhombic to egg-shaped, a length of 5 to 8 centimeters and a width of 3.5 to 6 centimeters. They are slightly to densely covered on both sides with close-fitting hairs, particularly close to the nerve facing away from the axis. The leaf base is wedge-shaped, the leaf edge wavy , pointed at the outer end.
The flowering period in China extends from June to November. The inflorescence is a mostly terminal, axillary grape , occasionally a panicle and between 15 and 30 centimeters long. The flower stalk is 1.5 to 3 inches long, with protruding straight or hook-shaped hair. The calyx is 2.5 to 3.5 millimeters long, as long or longer than the tube. The crown is red to orange-red, usually broadly elliptical, nailed short and 8 to 10 millimeters long and 7 to 8 millimeters wide. The nailed wings are narrow elliptical, 7 millimeters long and 2 millimeters wide, the boat is also nailed, 10 millimeters long and 3 millimeters wide. The fruit is a pod with often three or four compartments.
The number of chromosomes is 2n = 22.
Distribution area
Their distribution area extends through the tropics and subtropics of the Old World from West to South Africa to China and New Guinea.
Systematics
The species was first described as Hedysarum repandum by Martin Vahl in 1791 and placed in the genus Desmodium by Augustin-Pyrame de Candolle in 1825 . Hiroyoshi Ohashi and Robert Reid Mill then placed them in the genus Hylodesmum in 2000 .
proof
- ↑ a b c d Puhua Huang & Hiroyoshi Ōhashi: Hylodesmum repandum (Vahl) DC., P. 283 online with the same text as the printed work , In: Wu Zheng-yi, Peter H. Raven & Deyuan Hong (eds.): Flora of China , Volume 10 - Fabaceae , Science Press and Missouri Botanical Garden Press, Beijing and St. Louis, 2010. ISBN 978-1-930723-91-7
- ↑ ildis.org: Hylodesmum repandum - ILDIS LegumeWeb , accessed on February 1, 2014
