Plants terrestrial, slender, 0.10-0.28 m high. Leaves 2-4, lowest close to the ground, 10-40 mm long. Inflorescence lax, 6-15-flowered; bracts glabrous, deflexed. Flowers pale greenish yellow. Sepals 6-7 mm long, oblong, obtuse, free almost to base, forming loose tube with lip, deflexed; lateral sepals curving sideways. Petals similar, slightly smaller, margins crisped. Lip taller than deep, apical flap 2 mm long, bent back, margins undulate; spur slender, 12-16 mm long. Flowering time Oct., Nov.
Slender, tuberous geophyte to 30 cm. Leaves 2-4, basal, bracts deflexed. Flowers few in a lax raceme, pale yellow, lip with 2 spurs 12-16 mm long.