Plants lithophytic or terrestrial, autotrophic. Pseudobulbs subovoid, slightly bilaterally flattened, 5-6 × 2-3 cm, enclosed in leaf bases, surrounded by several purple sheaths when young. Leaves 5-7, arching, lorate, 40-70 × 2-3.5 cm, papery, rather soft, articulate 3-6 cm from base, apex acute. Inflorescence arising from base of pseudobulb, usually suberect, 40-50 cm; rachis densely 20-50-flowered; floral bracts small. Flowers sweetly fruit-scented, 3-4 cm in diam.; pedicel and ovary 25-40 mm; sepals and petals usually dull yellowish, flushed reddish brown; lip white with purple-red markings. Sepals similar, subelliptic, 20-25 × 6-8 mm, apex obtuse. Petals oblong-elliptic, ca. 20 × 6 mm, apex obtuse; lip subovate, 16-17 × 10-12 mm, not fused to basal margins of column, 3-lobed; lateral lobes erect; mid-lobe recurved, broadly ovate; disk minutely papillate, with 2 lamellae slightly convergent at their apices. Column slightly arcuate, ca. 14 mm, with 2 small auricles placed laterally at base; pollinia 2. Fl. Jul-Aug.
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