| Biology : |
Terrestrial herb 15-90 cm tall, glabrous; tubers ovoid, 1-3x1 cm; stem erect, with 2 basal leaves and c. 4 leaf-like sheaths spread along its length; basal leaves ± opposite, ovate-reniform, 1,5-6x1-9 cm, appressed to ground; stem sheaths 2-6,5x1-2 cm, papery; inflorescence 4-15 cm long, 3-5 cm Ø, 3-20-flowered; flowers white, scented; bracts lanceolate, erect, 15-30x17 mm, reflexed; ovary c. 10 mm long, 6-winged; sepals and petals projecting or deflexed; dorsal sepal oblong, 7-17x3-4 mm; laterals 9-19x3-7 mm; petals oblanceolate, 8-15x2-5 mm; lip erect, forming a hood with prominent keel, c. 9-17x11-14 mm, apex curved back, mouth broad; spurs 8-10 mm long, tapering from a broad base, parallel to ovary. |
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