Trigonostemon is a plant genus of the family Euphorbiaceae and the sole member of its tribe (Trigonostemoneae). It was first described as a genus in 1826. It is native to Southeast Asia, southern China, the Indian Subcontinent, Queensland, and a few islands in the western Pacific.

Species

formerly included

moved to other genera (Cleidion Croton Dimorphocalyx Omphalea Paracroton Wetria )

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