Disperis erucifera H.Perrier, Notul. Syst. (Paris) 5: 226 (1936).
Description:
Plants 10-15 cm tall; tubers 2, elongated; stem with 3-4 leaves, oval-lanceolate distant, rounded basally. Inflorescence several flowered, flowers rose and large. Median sepal very arched behind, forming a very special shaped hood, linear (10 x l mm) and 3 veined; laterals (10 x 6 mm), free except for basally, then much wider medially, attenuate toward both ends, very obtuse and deeply pouched medially. Petals semi-oval, obtuse, very thick, auriculate rounded on the external margin basally. Labellum 4 mm long, entirely joined to the column, linear, entire and thick, bearing a large appendage apically covering the gynostemium, sessile, with the posterior edge bifurcate, the anterior swollen in a hammerhead, 7 mm long, hairy-tomentose above and glabrous below. Anther 2.5 mm long; cauda l mm long; viscidiums long (0.8 mm), recurved apically. Rostellum very large (3 x 4 mm), amts linear and 3 mm long.
Habitat:
On lime rocks, shady; terrestrial; flowering in January.
Distribution:
N. Madagascar
