Sepals greenish-purple; petals lilac or pale pink with darker veins, lip side lobes green with purple veins, mid-lobe pale lilac with purple veins and white papillae; spur green.
Leaves 3–5, the lowest 2 reduced to sheaths, up to 8 cm × 3 mm, narrowly linear, scarcely developed at flowering time.
Pedicel and ovary 8–10 mm long, the ovary developing on the lowest flowers while the upper ones are still in bud.
Sepals semi-erect, recurved at the tips,10–20 × 1–2 mm, narrowly lanceolate or oblanceolate, acute or acuminate.
Petals 8–16 × 1.5–3 mm, oblong-linear, acuminate, lying over the column.
Inflorescence laxly 3–15-flowered; scape with a few scattered sheaths.
Perennating organs subterranean, tuberous, elongate, c. 4 × 1.5 cm.
Bracts 5–7 mm long, linear-lanceolate, acuminate.
Slender terrestrial herb 15–46 cm tall.
Column 3–4 mm long with a short foot.