Plants epiphytic, 12-18 cm tall. Rhizome slender, few noded. Stem erect, 3-4 cm, 6-or 7-leaved. Leaves spaced along stem or clustered, abaxially pale green, adaxially green, without white markings, narrowly ovate-oblong, narrowly ovate, or ovate-elliptic, 3-5.5 × 0.5-1.5 cm, base cuneate or broadly cuneate, apex acute; petiole-like base and tubular sheath 1-2 cm. Peduncle strongly recurved toward apex, 5-9 cm, pubescent, with 3-5 sterile bracts; rachis 5-7 cm, densely many flowered; floral bracts narrowly lanceolate, 7-14 mm, basal ones exceeding flowers, pubescent, apex acuminate. Flowers barely opening, white, small; pedicel and ovary oblong-fusiform, 7-8 mm, sparsely pubescent. Sepals sparsely pubescent on outer surface, 1-veined; dorsal sepal ovate, 5-6 × 3-3.5 mm, apex acute; lateral sepals oblong, oblique, 5-6 × 2.1-2.3 mm, apex acute. Petals linear-oblong, oblique, 5-6 × 1.3-1.5 mm, 1-veined, apex acute; lip broadly ovate, cymbiform, 5-6 × 3-3.2 mm; hypochile concave-saccate, inside glabrous, slightly thickened along 5 veins; epichile linear-ligulate, ca. 3.5 mm, apex recurved. Column ca. 2 mm; anther subovoid, apex acuminate; rostellum remnant deeply bifid. Fl. Sep.
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