Plants cespitose, to 110 cm. Roots basal, 1.5–4 mm diam. Stems unbranched, straight, compressed, to 60 cm. Leaves 5–13; petiole 20–36 mm; blade elliptic, obtuse, middle ones somewhat larger than basal or apical, 4–18 × 1–4 cm, leathery. Inflorescences racemes, subcapitate, densely flowered, 10–50 cm; 1st raceme terminal, producing additional racemes from nodes of long peduncle over years; peduncle elongate, laterally compressed, 9–48 cm. Flowers to 25 per raceme, not resupinate, spirally oriented, yellow-green to red-brown; sepals obovate-elliptic, 5.5–7.5 × 3–4 mm, fleshy, apex obtuse; petals narrowly oblanceolate, thin, 5–7 × 0.5–1 mm, apex obtuse; lip cordate, apex 2-lobed, 4–6 × 4.5–7 mm, fleshy, with prominent longitudinal ridge terminating in fleshy mucro; column 5 mm; anther ovoid, apex saddle-shaped; ovary 7–14 mm. Capsules subglobose; pedicel 6.5 mm; body 7.5 × 6 mm; beak obsolete.
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