Herbs, terrestrial or lithophytic. Pseudobulb conic, 2.5-3 × ca. 1.5 cm, surface rough, 1-leaved. Leaf immature at anthesis, elliptic-lanceolate, 14-20 × ca. 2.5 cm, papery, apex acute. Inflorescence erect; peduncle 8-18 cm; floral bracts linear-lanceolate, 25-31 mm, exceeding ovary, apex acute. Flowers solitary or rarely 2, bright rose-purple, with yellow or white lamellae on lip. Dorsal sepal narrowly elliptic, 40-65 × 6-13 mm, apex acute; lateral sepals slightly oblique, 40-65 × 7-14 mm, slightly wider than dorsal sepal, apex acute. Petals oblanceolate, ± falcate, 42-64 × 5-10 mm, apex acute; lip subrhombic to obovate when flattened, 42-55 × 35-42 mm, strongly deflexed at apical 1/3, very obscurely 3-lobed, apical margin denticulate; disk with 2 or 4 denticulate lamellae. Column 35-45 mm. Fl. Jun. 2n = 40*, 80*.
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