Karwinskia
Karwinskia is a genus of the family of the buckthorn family ( Rhamnaceae ). It includes about 15 species in North and South America, and the Caribbean.
Description
Karwinskia are evergreen shrubs or small trees, whose leaves are often occupied glands located on opposite sides.
The flowers are as stalked umbel -like cymes achselbürtige or as individual flowers. The during flower cup is cup-shaped to hemispherical, the intergrown with the flower cups Diskus is thin. The ovary is upper constant and incomplete zweifächrig, for each subject there are two ovules. The fruits are drupes with a stone core and one to three seeds.
Distribution and systematics
The genus was first described in 1832. The Karwinskia include fifteen species in the southern North and northern South America and the Caribbean. Within the buckthorn plants it is classified in the tribe Rhamneae. The types include:
- Karwinskia calderonii
- Karwinskia humboldtiana
- Karwinskia johnstonii
- Karwinskia latifolia
- Karwinskia mollis
- Karwinskia parvifolia
- Karwinskia rzedowskii
- Karwinskia subcordata
- Karwinskia umbellata
Evidence
- Rhamnaceae
- Buckthorn plants