Herbs, terrestrial. Pseudobulbs ovoid, 1-2 cm × 7-13 mm, noded, ± enclosed by white, membranous sheaths. Leaves 2; petiole sheathlike, 2-5.5 cm, amplexicaul, not articulate; blade spreading horizontally, ovate-elliptic to ovate, 5-13 × 2.5-7.3 cm, membranous or herbaceous, base contracted into petiole, margin entire, apex acuminate. Inflorescence 11-29 cm, conspicuously exceeding leaves; rachis 10-20-flowered; floral bracts reflexed, lanceolate, 4-6 mm. Flowers green; pedicel and ovary 8-9 mm. Dorsal sepal lanceolate-linear, 7-8 × ca. 1.5 mm, inconspicuously 3-veined, apex subobtuse; lateral sepals slightly shorter and broader. Petals narrowly linear or nearly filiform, 7-8 × ca. 0.5 mm, 1-veined; lip obovate to nearly broadly elliptic, 7-8 × 5-7 mm, base contracted, with a thick longitudinal band of dark color extending from base to above middle, band with 2 small basal calli ± united at base, margin irregularly denticulate in apical half, apex obtuse or subtruncate. Column slightly arcuate, 2.5-4 mm, upper part winged. Fl. Jul-Aug.
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