Chlorocyathus
Chlorocyathus is a genus of plants in the Apocynaceae, first described in 1887. It is native to southern Africa.
;Species
- Chlorocyathus lobulata Venter - Bathurst District in Cape Province of South Africa
- Chlorocyathus monteiroae Oliv. - Maputo Bay in southern Mozambique
moved to Raphionacme
- Chlorocyathus welwitschii Bullock, synonym of Raphionacme welwitschii Schltr. & Rendle