Gonostemon

Gonostemon
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Gonostemon
Family:	Apocynaceae
Subfamily:	Asclepiadoideae
Tribe:	Stapeliae
Genus:	Gonostemon Haw.
Synonyms
Stapelia sect. Gonostemon (Haw.) Haw.

Stapelia sect. Gonostemon (Haw.) Haw.

Gonostemon is a genus of plants in the Apocynaceae, first described as a genus in 1812.

Over 70 names have been published for species assigned to Gonostemon, most of the regarded as "unresolved," i.e., of uncertain affiliation. Only the following 3 are listed as "accepted" by the Plant List maintained by Kew Gardens in London

moved to another genus (Stapelia)

...
Wikipedia