Herbs, epiphytic or lithophytic. Pseudobulb olive-green, flask-shaped with a long neck, 2-6 × 0.8-2 cm, apex with 1 leaf. Leaf oblanceolate to elliptic, 18-25 × 2.8-3.5 cm, apex acute. Inflorescence produced before leaf, 1-or 2-flowered; peduncle clothed in scarious sheaths; floral bract obovate, 20-32 × 8-12 mm, apex subacute to obtuse. Flowers spreading to nodding; sepals and petals white, lip white, spotted and streaked with crimson or yellow-brown with a central pale yellow zone; pedicel and ovary 2-3 cm. Dorsal sepal linear-oblanceolate, 34-47 × 6-7 mm, apex subacute; lateral sepals obliquely oblanceolate, 40-53 × 70-90 mm, apex subacute. Petals obliquely linear-oblanceolate, 31-42 × 5-7 mm, apex rounded; lip oblong-elliptic, obscurely 3-lobed in front, 34-44 × 25-31 mm, base saccate, margin lacerate in apical half, apex emarginate; lateral lobes erect-incurved, callus consisting of 5-7 barbate lamellae. Column 26-28 mm, broadly winged, apex irregularly dentate.
Epiphytic in moss, on Rhododendron and other tree species, plants often forming rings or collars around trunks or branches; at elevations from 1,800-3,200 metres.
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