Pyrrorhiza is a genus of herbs in the family Haemodoraceae, first described as a genus in 1957.Maguire, Bassett & Wurdack, John Julius. 1957. Memoirs of The New York Botanical Garden 9(3): 318-320 descriptions in Latin, commentary in English; also line drawing as illustrationTropicos, Pyrrorhiza Maguire & Wurdack It contains only one known species, Pyrrorhiza neblinae, endemic to the Sierra de la Neblina in Amazonas State, Venezuela.Kew World Checklist of Selected Plant FamiliesHokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
