Catharanthus coriaceus

Description

Catharanthus coriaceus is a perennial plant growing up to 40cm tall. The plant is harvested from the wild for local medicinal use. Although not yet (2012) treated by the IUCN Red List, this species has a very small range and is becoming increasingly rare and is the most threatened species in the genus Catharanthus is a genus of flowering plants in the dogbane family, Apocynaceae. Like genus Vinca, they are known commonly as periwinkles.There are eight known species. Seven are endemic to Madagascar, though one, C. roseus, is widely naturalized around the world.