Flowering stem 10–25 cm tall. Leaf-blade usually senescent at flowering time, to 16 cm long, 2–10 mm diam. at base, apex lax. Flowers (10–(50–80, greenish suffused with purple, fragrant, somewhat lemon-scented, in a dense narrow-cylindric spike 4–10 cm long, perianth expanding widely; ovary ovoid, turgid, 3–4 mm long, erect; sepals greenish, 4–6 mm long, dorsal sepal broadly ovate, lateral sepals free, linear-lanceolate, parallel to divergent; petals similar to sepals, spreading widely with tips recurved, obtuse to sub-acute. Labellum broadly ovate-lanceolate to cordate, 4–4.5 mm long, recurved almost from base or erect in proximal half, lamina flat, purplish or pink, margins crenate or undulate; callus plate raised, fleshy, green to deep purplish, triangular, smooth to papillate, with a prominent v-shaped ridge extending nearly to labellum apex. Column appendages oblong to ovate, to 1.8 mm high, obtuse. Flowers Oct.–Dec.
