Herbs, terrestrial or lithophytic. Pseudobulbs flattened ovoid, 1.5-2.5 × 1-1.5 cm, ± enclosed by white membranous sheaths. Leaves 2, subsessile, not articulate, obovate, ca. 5 × 2.5 cm, membranous or herbaceous, base cuneate, apex acute or obtuse. Inflorescence ca. 8 cm; rachis ca. 2 cm, 5-flowered; floral bracts ovate-triangular, 2-3 mm. Flowers dark purple; pedicel and ovary ca. 8 mm. Sepals linear-lanceolate, 12-13 × 2-3 mm, 3-veined, margin revolute, apex acuminate; lateral sepals slightly oblique. Petals linear, 10-12 × ca. 1 mm; lip elliptic-ovate, 8-10 × 5-6 mm, indistinctly 3-lobed; lateral lobes erect; mid-lobe ovate, ca. 6 mm, margin minutely ciliate, apex with a short tail ca. 1.5 mm; disk with a basal callus. Column slightly arcuate, 3-4 mm, with narrow wings on both sides. Fl. May. 2n = 30*.
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