Disa inflexa (Lindl.) Mundt ex Bolus, Trans. S. African Philos. Soc. 5(1): 162 (1888).
Homotypic Synonyms:

Schizodium inflexum Lindl., Gen. Sp. Orchid. Pl.: 360 (1838).
Description:

An erect very slender glabrous herb, 15-27 cm. high; leaves 4-7 radical, spreading, obovate-oblong, acute, undulate 1,5-2,5 cm. long ; scape rigid wiry, polished less flexuous than any other species in the genus, furnished with 3-5 distant erect acute, subherbaceous sheaths; raceme laxly 2-4 flowered, flowers erect; bract ovate-lanceolate acute or acuminate, subcucullate, a little longer than the pedicels, lateral sepals porrect, oblong- obtuse, 0,7-0,9 cm. long; odd sepal erect concave, 0,5 cm. long, produced at the back into a straight horizontal cylindrical obtuse somewhat laterally compressed spur, 0,6-0,8 cm. long; petals erect oblong, unequally bidenticulate at the apex, widened at the base in front, a little shorter than the odd sepal; lip deflexed subpanduriform, hypochilium ascending concave, mesochilium widened convex ovate, produced in front into an involute beak-like abruptly deflexed epichilium.
Habitat:

In montane in sandstone and rocky areas at elevations of 900 to 1200 meters.
Distribution:

SW. & S. Cape Prov.