Rhamnidium
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Rhamnidium is a genus from the family of the Buckthorn family (Rhamnaceae). It includes around 12 species in South America and the Caribbean.
description
Rhamnidium are evergreen shrubs or small trees, the blackish leaves of which are often glandular and arranged opposite.
The flowers are long-stalked, axillary, umbel-like , small cymes . The flower cup , which persists during the fruit, is inverted cone to hemispherical, the discus that has grown together with the flower cup is very thin. The ovary is half down to above. The fruits are stone fruits with an incomplete two-compartment stone core and one or two seeds.
Distribution and systematics
The genus was first described by Siegfried Reissek in 1861 , it is considered to be in need of revision. The genus Rhamnidium includes around twelve species in tropical South America as well as on Cuba and Jamaica. Within the buckthorn family , it is classified in the tribe Rhamneae . The types include:
- Rhamnidium caloneurum Standl.
- Rhamnidium dictyophyllum Urb.
- Rhamnidium elaeocarpum Reissek
proof
- ↑ a b c D. Medan, C. Schirarend: Rhamnaceae In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants - Volume VI - Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales , 2004, P. 333, ISBN 978-3-540-06512-8