Erasanthe is a genus of epiphytic orchids. It contains only one known species, Erasanthe henrici, endemic to Madagascar. Two subspecies are recognized:Kew World Checklist of Selected Plant FamiliesCribb, P., Hermans, J. & Rakotoarinivo, M. (2009). Field Guide to the Orchids of Madagascar: 1-456. Kew Publishing, Royal Botanic Gardens, Kew.Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew.Cribb PJ, Hermans J & Roberts D L. Erasanthe (Orchidaceae, Epidendroideae, Vandeae, Aerangidinae), a new endemic orchid genus from Madagascar . Adansonia 2007; 29(1): 27-30.
Erasanthe henrici subsp. henrici Erasanthe henrici subsp. isaloensis P.J.Cribb, Hermans & D.L.Roberts (synonym Aeranthes henrici var. isaloensis H.Perrier ex Hermans
References
IOSPE orchid photos, Erasanthe henrici