Lip 5–6 × 4–5 mm, 3-lobed; side lobes erect, joined at base to column; mid-lobe 3–4 × 3–3.8 mm, convex, suborbicular, obtuse; spur conical, very short, c. 1 mm long.
Perennating organs subterranean, tuberous, 1.5–3.5 × 2.2–2.6 cm, irregularly conical, forming chains.
Inflorescence rather laxly many-flowered; capsules starting to develop before the flowers fade.
Flowers very small, yellow-green streaked with purple or chocolate-brown with a yellow lip.
Leaves c. 7, 10–30 × 0.8–1.3 mm, linear, acute, not plicate, absent at flowering time.
Flowers small, yellow and brown or maroon, in a long raceme.
Petals 4–5 × 3.5–5 mm, broadly ovate to suborbicular.
Sepals 4–5 × 2.2–3 mm, oblong-elliptic, obtuse.
Very slender terrestrial herb 20–60 cm tall.
Fruit 15–20 mm long, purple, pendent.
Pedicel and ovary 12–15 mm long.
Column 2–2.5 mm long.
Bracts 5–7 mm long.