A terrestrial herb 40-55 cm tall with an erect pubescent stem, covered below by three to five sheaths each 2-6 cm long. Leaves three to four, sheathing at the base, elliptic to ovatelanceolate, acuminate, 7-15 cm long, 4-8 cm wide, somewhat pubescent to glabrescent at the base on the underside, ciliate. Inflorescence one- to three-flowered but usually two-flowered; peduncle and rhachis pubescent; bracts leaf-like, 5.5-10 cm long, 1-3(-4) cm wide, with pilose veins on both surfaces. Flowers brown, purple or purplish, small, about 4 cm across; pedicle and ovary 3.5-5 cm long, densely glandular-pubescent. Dorsal sepal lanceolate, more or less cordate-acuminate, 3-3.5 cm long, 1 cm wide; synsepal subsimilar but shorter, 2.5-3 cm long, bifid at apex, the free tips 5-10 mm long. Petals untwisted, narrowly lanceolate or linear-lanceolate, acuminate, 3-3.5 cm long, 0.4 cm wide, almost glabrous. Lip small, subglobose, 1.6-2 cm long, c. 1.3 cm across, hirsute within towards the base, the side lobes inflexed, subtriangular. Column short; anthers subglobose, with slender 1-2 mm long curved filaments; staminode purple with brown-purple spotting in the basal part, oblongelliptic, biauriculate at base, subacute and more or less mucronate, c. 0.7 cm long, 0.35 cm wide.