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Leaves 4–5, suberect, long-petiolate, the basal 1–2 sheathing, 17–100 × 3–8.5 cm, lanceolate or oblanceolate, acuminate, plicate, well developed at flowering time.
Flowers spreading; sepals dull greenish, bronze or greenish-red; petals white, lip green with a purple callus; spur green flushed with purple.
Perennating organs subterranean, tuberous, 3–4.6 × 1 cm, ellipsoidal or cylindric; roots 1.5–2 mm in diameter, emerging all over tuber, white.
Inflorescence rather densely many-flowered; scape 3–5 mm in diameter; rhachis 6–26 cm long.
Petals 13–18 × 6.5–10 mm, elliptic-oblong, obtuse, projecting over column.
Sepals 14–23 × 2.5–7 mm, narrowly oblong, obtuse to acute.
Bracts 10–55 mm long, linear-lanceolate, acuminate.
A rather close spike of brown white flowers.
Pedicel and ovary 15–16 mm long.
Terrestrial herb 30–80 cm tall.
Fruit pendent, 20–25 mm long.
Column 6.5–7 mm long.
Herb to 21/2 ft. high
Broad leaves
