Flowering plant slender, 10–20 cm tall. Leaf linear, 6–15 cm long, 1–2.5 mm wide, almost hairless. Flower solitary, white, labellum with purplish stains and transverse bars and an orange tip; dorsal sepal erect or reflexed, linear-oblong, 10–15 mm long; lateral sepals 13–17 mm long, spreading, slightly oblique, narrowly elliptic; petals spreading, 12–15 mm long. Labellum sessile, 3-lobed, 7–9 mm long, 5.5–7.5 mm wide (when flattened), white, lateral lobes narrow, obtuse, margins entire; mid-lobe triangular, recurved, longer than lateral lobes, orange-yellow at the apex, margins with finger-like teeth; lamina calli in 2 rows extending to base of mid-lobe, elongate, mostly clubbed, yellow or white. Column incurved, winged throughout, broader towards tip, inside greenish, often with a band of maroon or red in middle region; anther with a short point. Flowers Sep.–Oct.
