Benthamia dauphinensis (Rolfe) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 33: 25 (1924).
Synonyms:

Habenaria dauphinensis Rolfe, J. Linn. Soc., Bot. 29: 56 (1891).
Description:

Plants terrestrial, generally 50 cm tall leaf linear, elongated (15cm. x 6-7 mm).Inflorescence loose, many flowered; bracts lanceolate, 4.2 mm long generally, acuminate. Sepals widely elliptical- oblong, very obtuse generally 1 .5 mm long, the median concave. Petals nearly similar, of the same length, slightly fleshy. Labellum very concave, slightly fleshy, obscurely trilobed, lateral lobes rounded, the median very obtuse; spur wide, compressed, truncate and nearly bidentate apically, generally1.5 mm long. Column very short. Anther apiculate.
Habitat:
Distribution:

SW. Madagascar