''Actinostemon'' is a plant genus of the family (biology), family Euphorbiaceae first described as a genus in 1841. It is native to South America, Central America, and the West Indies.
[Kew World Checklist of Selected Plant Families]
/ref>[González Ramírez, J. 2010. Euphorbiaceae. En: Manual de Plantas de Costa Rica. Vol. 5. B.E. Hammel, M.H. Grayum, C. Herrera & N. Zamora (eds.). Monographs in systematic botany from the Missouri Botanical Garden 119: 290–394]
;Species[
;formerly included][
moved to other genera: ''Gymnanthes Sebastiania''
]
References
Hippomaneae
Euphorbiaceae genera
{{Euphorbiaceae-stub