Plants terrestrial, 15-25 cm tall. Rhizome slender, few noded. Stem erect or ascending, 9-17 cm, 4-6-leaved. Leaves widely spaced along stem, green, without white markings, ovate to oblong, oblique, 2.5-7.5 × 1.6-3 cm, base truncate or rounded, apex acute; petiole-like base and tubular sheath 1-2 cm. Peduncle green, 2.5-5 cm, pubescent, with 1 or 2 sterile bracts; rachis 3-6 cm, subdensely to densely 3-15-flowered, secund; floral bracts lanceolate, 10-15 × 2-2.5 mm, exceeding flowers, pubescent. Flowers opening weakly, white tinged pink, greenish white, or white, medium-sized; pedicel and ovary cylindric-fusiform, 8-10 mm, pubescent. Sepals similar, outer surface pubescent, 1-veined; dorsal sepal narrowly ovate, 5-8 × 3.5-4 mm, concave, apex obtuse; lateral sepals ovate, 5-8 × 3.5-4 mm, apex obtuse. Petals rhombic, oblique, 5-8 × 3.5-4 mm, 1-veined, narrowly contracted at base, apex obtuse; lip ovate, 6-8 × 3.5-4.5 mm; hypochile concave-saccate, inside papillose; epichile ligulate, 2-3 mm, apex slightly recurved. Column ca. 3 mm; anther ovoid, ca. 4 mm; pollinia ca. 3 mm; rostellum ca. 2.5 mm, remnant deeply bifid. Fl. Jul-Sep. 2n = 28, 56.
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