Plants erect, scape without bracts, glabrous, 70-240 mm high; leaves glabrous, thick-fleshy. Flowers: Sepals glabrous, 1.5-3.5 x 0.5-1.5 mm. Petals entire, broadly linear and membranous, adªnate to the lip at the base, 3-6.5 x 0.5-1.5 mm, pure white or flushed purple at the base. Lip 5-lobed, membranous, lobes more or less linear, 3.5-9 x 0.5-1.5 mm, pure white or with pale purple lines and throat; spur narrow, circinnate, 1.5-5.5 mm long.
Slender, tuberous geophyte to 24 cm, scape glabrous. Leaves 2, basal, ovate, fleshy. Flowers in a dense raceme, sepals green, petals and lip white or marked with purple, petals entire, broadly linear and membranous, lip spurred and with 5 narrow lobes.