Plants cespitose, 6–26 cm. Roots basal, 1–2 mm diam. Stems unbranched, sinuous, terete, 5–23 cm. Leaves throughout length of stem; petiole to 25 mm; blade narrowly elliptic, 2-lobed, 2–6.7 × 0.7–2.3 cm, leathery-succulent. Inflorescences nearly corymbose; peduncle less than 1 cm; floral bracts triangular-ovate, to 12 mm. Flowers 4–14, resupinate, simultaneous, green; sepals wide open, narrowly obovate-elliptic, 5-veined, 12–15 × 3–5 mm, nearly leathery, apex acute to rounded; petals linear-oblanceolate, 3-veined, 11–12 × 2–2.5 mm, membranaceous, apex acute; lip widely cordate, 5–9 × 9–18.5 mm, usually with pair of shallow sinuses in front, fleshy-thickened toward center, apex somewhat notched, 2-callose; column 7–8.5 mm; clinandrium entire, erose, covering anther; anther transversely reniform, with prominent beak in front; ovary 22–28 mm. Capsules nearly globose; pedicel 20 mm; body 16–20 × 10–13 mm.