Plants terrestrial, autotrophic. Pseudobulbs ovoid, 1.5-2.5 × 1-1.5 cm, enclosed in leaf bases. Leaves 2-4(-6), lorate, 30-60 × 1-1.5(-2.5) cm, articulate 2-4 cm from base, margin sometimes serrate toward apex, apex acute. Inflorescence arising from base of pseudobulb, erect, 20-35 cm or longer, but usually shorter than leaves; rachis 3-9(-13)-flowered; floral bracts 5-8 mm and mostly less than 1/2 length of ovary, though basal bract to 20 mm. Flowers fragrant, variable in color, usually pale yellowish green, spotted with purple, mid-lobe with a few red spots; pedicel and ovary 20-25(-30) mm. Sepals narrowly oblong or narrowly elliptic, 23-28 × 5-8 mm, apex acute; lateral sepals usually oblique. Petals spreading horizontally, narrowly elliptic or narrowly ovate-elliptic, 15-24 × 5-8 mm, apex acute; lip subovate, 15-23 mm, not fused to basal margins of column, obscurely 3-lobed; lateral lobes erect and loosely clasping column; mid-lobe recurved, ovate, 8-12 × 7-10 mm, margin kinked; disk minutely papillate, with 2 fleshy lamellae; lamellae extending almost to base of mid-lobe, converging in their apical half and forming a short tube. Column slightly arcuate, 10-14 mm, narrowly winged; pollinia 4, in 2 pairs, broadly ovoid. Capsule narrowly ellipsoid, 50-60 × ca. 20 mm. Fl. usually Jun-Oct, fr. Dec-Feb. 2n = 40*.
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An orchid. It grows in the soil. The bulbs are oval and 2-3 cm long by 1-2 cm wide. They are enclosed in leaf bases. There are 2-4 leaves. They are 30-60 cm long by 1-2 cm wide. There can be teeth along the edge near the tip. The flowering shoot arises from the base of the false bulb. The flowers have a scent. They vary in colour but can be pale green with purple spots.
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