Rhamnidium

Rhamnidium is a genus of the family of the buckthorn family ( Rhamnaceae ). It includes about 12 species in South America and the Caribbean.

Description

Rhamnidium are evergreen shrubs or small trees, which often occupied glands, blackish leaves are arranged on opposite sides.

The flowers are long-stalked as, achselbürtige, umbel -like, small cymes. The enduring during fruit flower cups is wrong conical to hemispherical, the intergrown with the flower cups discus is very thin. The ovary is half-submerged - to upper constant. The fruits are drupes with an incomplete zweifächrigen stone core and one or two seeds.

Distribution and systematics

The genus was first described in 1861 by Siegfried Reissek, it is deemed in need of revision. The genus includes about Rhamnidium twelve species from tropical South America, Cuba and Jamaica. Within the buckthorn plants it is classified in the tribe Rhamneae. The types include:

• Rhamnidium caloneurum
• Rhamnidium dictyophyllum

Evidence

• Rhamnaceae
• Buckthorn plants