Plants 30–50 cm. Roots unknown. Stems subterranean, short. Leaves withering at or during anthesis, 3–12; petiole 1–2.5 cm; blade elliptic to ovate, 4–10 × 1.5–3.5 cm, apex obtuse to acute. Inflorescences: peduncle 26–37 cm, partially enclosed by tubular sheaths, proximalmost larger but not leafy; rachis laxly 20–35-flowered, 10–18 cm; floral bracts lanceolate, clasping base of ovary, 5–10 mm, apex acuminate, pubescent. Flowers: sepals green, adaxially pubescent; dorsal sepal distinct, oblong-lanceolate, 4–5 × 2–3 mm, apex acute to obtuse; lateral sepals obliquely ovate-lanceolate, 4–5 × 2.5 mm, apex acute to obtuse; petals recurved, white, indistinctly clawed, obliquely triangular-ovate, 4–4.5 × 1.5 mm, margins entire, apex acute, pubescent; lip subsessile, white with 2 dark green blotches, obovate, 4.5 × 3.5 mm, apex short-caudate; column white, 2.5 mm; pedicellate ovary 7–9 mm. Capsules 8–13 mm.
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