Herbs, terrestrial or lithophytic. Pseudobulb green or dark olive-green, conic-ovoid, 2-2.5 × 2-2.5 cm, 1-leaved. Leaf not developing at flowering, elliptic-lanceolate to oblanceolate, 10-15 × 3-4 cm, apex acuminate. Inflorescence erect or suberect; peduncle reddish, 2-5 cm; floral bract pale maroon with deeper venation, oblanceolate, ca. 25 × 10-15 mm, apex acute. Flower solitary, primrose-yellow to pale yellow, with red marks on lip, fragrant. Sepals elliptic-lanceolate, 37-42 × 7-12 mm, apex acute; lateral sepals slightly oblique, slightly wider than dorsal sepal. Petals oblanceolate, 38-42 × 7-9 mm, apex acute; lip ovate-orbicular, 25-32 × 30-35 mm, obscurely 3-lobed, apical margin lacerate, apex emarginate; disk with 4-6 erose-lacerate lamellae. Column 35-40 mm; column wings obscure. Fl. Apr-May. 2n = 40.
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