Terrestrial slender herb, 0.15-0.48 m high; stem ridged along length; small ovate root tubers. Leaves 2, basal, narrowly elliptic to oblong, acute, up to 80 x 20 mm, few small leaves above. Inflorescence a lax, few-flowered raceme; flowers 2-12, brownish green, lip white, central blotch pink to purple. Sepals: dorsal sepal 7-9 mm long. Petals obliquely ovate, basally fused to gynostemium. Lip spurless, 8-12 mm long, 4-8 mm broad at apex. Flowering time Dec.-Feb.
An orchid. It has a soft underground tuber. It is slender and 45 cm high. There are 2 large flat leaves bear the base of the stem. They are 7 cm long by 1 cm wide. There are a few stem leaves. The flowers stand out from the axis. The flowers are white.
Slender herb, up to 460 mm high. Leaves 2 or 3, basal. Flowers: inflorescence lax, 2-12; median sepal without spur; lip widest near apex, 8-12 x 4-8 mm; anther erect; perianth brownish green with a white lip; Dec.-Feb.
Slender herb, up to 460 mm tall. Inflorescence lax, flowers 2-12. Sepals brownish green. Lip widest near apex, 8-12 x 4-8 mm. Flowers brownish green with a white lip.