Pterostemma is a genus of flowering plants from the orchid family, Orchidaceae. It contains 3 known species, native to Colombia and Ecuador.Kew World Checklist of Selected Plant FamiliesPridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2009). Epidendroideae (Part two). Genera Orchidacearum 5: 1-585. Oxford University Press, New York, Oxford.
Species accepted as of June 2014:
Pterostemma antioquiense F.Lehm. & Kraenzl. Pterostemma benzingii (Dodson) M.W.Chase & N.H.Williams Pterostemma escobarii (Dodson) M.W.Chase & N.H.Williams
See also List of Orchidaceae genera
References