Biology : |
Terrestrial herb 25-105 cm tall, ± glabrous; tubers ovoid, 1,5-3,5x1-2 cm; leaves cauline, spread, 4-12, broadly lanceolate, the largest 8-30x2,5-8 cm, decreasing in size up the stem; inflorescence compact, 10-30 cm long, 4-30-flowered; flowers resupinate, 30-40 mm Ø, green and white (lip), Plumeria (Frangipani) scented; bracts lanceolate, leafy, 30-70 mm long; pedicel and ovary 20-25 cm long; sepals broadly lanceolate, 15-30x10 mm, the dorsal erect; petals entire, curved, adherent to dorsal sepal, oblong, 15-30x3-5 mm; lip 25-40 mm long, thicky pubescent, deeply 3-lobed from claw 7-10 mm long; midlobe linear; side lobes divergent, “stag horn-like”, outer margins with 8-15 slender threads 10 mm long; spur pendent, 15-25 mm long. |
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