Herbs, epiphytic. Pseudobulb green, mottled purplish brown, usually turbinate, 1.5-4 × 1-2.3 cm, apex abruptly contracted into a conspicuous neck, outer sheaths warty, 2-or rarely 1-leaved. Leaves elliptic-oblanceolate to elliptic, 9-20 × 1.7-6.7 cm, papery, base attenuate into a petiole-like stalk 2-6.5 cm, apex acuminate. Inflorescence appearing after leaves have fallen or withered, erect; peduncle 5-10 cm, with 3 papillate sheaths; floral bract oblong-oblanceolate, 25-30 × 15-20 mm, exceeding ovary, apex acute. Flower solitary or rarely 2, large, pink to purplish red, rarely white, with a yellow callus and occasionally with purple spots on lip. Dorsal sepal suboblong-lanceolate, 55-60 × 7-8 mm, apex acute; lateral sepals slightly oblique, slightly wider at base than dorsal sepal, apex acute. Petals linear-lanceolate, slightly falcate, 50-70 × 4-6 mm, apex acute; lip obovate-elliptic or elliptic, 40-50 × ca. 30 mm, obscurely 3-lobed; lateral lobes inconspicuous; mid-lobe lacerate on apical margin, apex emarginate; disk with 3-5 rows of papillae extending from base of lip to midway along mid-lobe. Column ± arcuate, 35-45 mm, apex irregularly toothed. Fl. Sep-Oct. 2n = 40.
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