Pseudobulbs fusiform or cylindric, 3.5-14 × 0.4-1.6 cm, apex 1-3-leaved. Leaf blade linear, oblong, or ovate-elliptic, 10-21 × 0.8-2.3 cm, base attenuate to short petiole or subsessile, apex acute. Inflorescences 1 or 2(-4), arising from middle or upper part of pseudobulb, rarely near base, suberect, 3-7 cm, sparsely 6-10-flowered; rachis with dense rusty hairs; floral bracts elliptic or elliptic-lanceolate, 8-12 × 3-5 mm, glabrous. Flowers: sepals and petals buff-yellow, with red veins and yellow apices, lip pink with bright yellow apex, lateral lobes and keels red; pedicel and ovary 1.5-2 cm, with dense rusty hairs. Sepals with rusty hairs; dorsal sepal oblong-lanceolate, ca. 10 × 2 mm, obtuse; lateral sepals obliquely ovate-triangular, ca. 10 × 4 mm, acuminate; mentum ca. 3 mm. Petals obovate-lanceolate, 8-9 × ca. 2 mm, acuminate; lip subobovate-elliptic in outline, ca. 8 × 6 mm, 3-lobed; lateral lobes incurved, ovate-elliptic, ca. 3 × 1.5 mm, obtuse; mid-lobe reniform, 3-4 × ca. 4.5 mm, fleshy except for middle part, apex emarginate; disk with 3 lamellae; central lamella extending to mid-lobe and thickened there, lateral 2 to near base of mid-lobe and thickened in apical half. Column ca. 4 mm (not including anther cap); foot ca. 3 mm. Capsule obovoid-cylindric, ca. 3 cm × 2-3 mm, with rusty hairs; fruiting pedicel 9-12 mm, hairy. Fl. Mar-Apr, fr. Jun. 2n = 36, 38, 40.
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