Haematostemon is a genus of plant of the family Euphorbiaceae first described as a genus in 1919. It is native to northeastern South America (Guyana and S Venezuela).
Species
- Haematostemon coriaceus <small>(Baill.) Pax & K.Hoffm.</small> - Amazonas State in S Venezuela
- Haematostemon guianensis <small>Sandwith</small> - Potaro-Siparuni region of Guyana
References