Microcoelia aurantiaca (Schltr.) Summerh., Bot. Mus. Leafl. 11: 150 (1943).
Gussonea aurantiaca Schltr., Repert. Spec. Nov. Regni Veg. 15: 333 (1918).
Plants very small, nearly stem less; roots to 1.5 mm in diameter; clusters densely 10-15 flowered, 3cm long and shortly pedunclulate; semi-amplexicaul, oval-sub obtuse; flowers orange, generally 10- 12 mm long. Median sepal 4 mm, oblong, concave, and obtusely apiculate; lateral sepals with their anterior margins obviously enlarged-rounded. Petals lingulate-oblong, obtuse and at least 3 mm long. Labellum lingulate-linguiform, obtuse, slightly dilate-oval basally, obscurely trilobed and 3.5 mm long, dilate lamelliform at the spur oriface; spur pendent, cylindrical, obviously attenuate to the obtuse apex, generally 5 mm long. Column short; posterior margin of the clinandrium enlarged; rostellum deeply bifid, the 2 laminas linear. Pollina oval-subglobulous, cauda thin, bifid nearly to its center; viscidium semi-oblong, sagitate basally. Pedicel finely pedicelate and 7-8 mm long.
As given for the genus.
Summerhayes, Victor Samuel, African Orchids - XIII (the leafless Angraecoid Orchids)1943; WCSP (2017). 'World Checklist of Selected Plant Families. 03.03-2017; http://apps.kew.org/wcsp/
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