Auxopus Schltr., Bot. Jahrb. Syst. 38: 3 (1905).
Leafless, achlorophyllous saprophytic orchids. Rhizome narrowly cylindrical, tuberoid, usually horizontal, subterranean. Stem erect. Inflorescence terminal. Sepals and petals joined together into tube. Lip with long, narrow claw about half of its length, simple, ecallose, indistinctly lobed. Gynostemium erect, slender, slightly swollen at the apex. Column foot reduced, completely adnate to the ovary. Staminodes inconspicuous. Stigma deeply concave, close to rostellum. Rostellum truncate. Viscidium small. Anther incumbent with wide connective. Pollinia sectile. No caudicles
W. Trop. Africa to Uganda, Madagascar
Not in cultivation

Auxopus kamerunensis Schltr. W. & WC. Trop. Africa.
Auxopus letouzeyi Szlach.  Cameroon.
Auxopus macranthus Summerh.  W. Trop. Africa to Uganda.
Auxopus madagascariensis Schltr. NW. Madagascar.

World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; accessed 26.06.2020
Bibliography and References:
Olszewski TS. 2004 A provisional checklist of the continental African Orchidaceae. 5. Vanilloideae. Pol. Bot. J. 49. 123-134
Orchidaceae of West-central Africa, vol. 1, Gdansk University Press Gdansk 2010