It was first described as a genus in 1826 .
Trigonostemon is a plant genus of the family Euphorbiaceae and the sole member of its tribe ( Trigonostemoneae ) .
Trigonostemon was first described as a genus in 1826 .
Trigonostemon is a plant genus of the family Euphorbiaceae and the sole member of its tribe ( Trigonostemoneae ) .