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General DescriptionPlants often 30-50 cm tall, with a stout, usually rather short rhizome. Stem erect, densely pubescent, especially near upper nodes, with several sheaths at base and 3-6 leaves above. Leaves well-spaced; blade elliptic to elliptic-lanceolate, 10-16 cm long, 4-8 cm wide, both surfaces pubescent, shortly ciliate, apex acute or acuminate. Inflorescence terminal, 1-or rarely 2-flowered; peduncle pubescent; floral bracts foliaceous, elliptic-lanceolate, 4-8 cm long, 1.8-2.3 cm wide, pubescent; pedicel and ovary 2.5-4 cm, densely rusty hairy. Flowers yellow, sometimes tinged or flushed with red, occasionally with maroon spots on lip. Dorsal sepal elliptic to broadly elliptic, 3-3.5 cm long, 1.5-3 cm wide, abaxial midvein and base sparsely puberulent, shortly ciliate, apex obtuse; synsepal broadly elliptic, 2-3 cm long, 1.5-2.5 cm wide, subglabrous, apex nearly unlobed. Petals oblong to oblong-lanceolate, slightly oblique, 2.5-3.5 cm long, 1-1.5 cm wide, adaxially pubescent toward base, shortly ciliate, apex obtuse; lip deeply pouched, globose-ellipsoid, 3-4.5 cm. Staminode orbicular or broadly elliptic, 6-7 mm long, ca. 5 mm wide, abaxially slightly keeled, adaxially with conspicuous reticulate veins, subsessile and auriculate. Capsule narrowly obovoid, 3.5-4.5 cm, hairy.