Plants 15-22 cm tall, slender. Rhizome elongate. Stem erect, pale purplish brown, 3-6-leaved. Leaves cauline, widely spaced, withered or pendulous at anthesis, pale green, ovate to elliptic, 2-4(-6) × 1.2-2 cm, apex obtuse to acute; petiole-like base 1-1.5 cm including tubular sheath, margin sometimes ciliate. Inflorescence 10-20 cm, with 2 or 3 sterile bracts, pubescent; rachis 2-7.5 cm, with 3 to more than 10 laxly to subdensely arranged flowers; floral bracts pale red, ovate-lanceolate, 4-7 mm, shorter than ovary, pubescent abaxially and on margin, apex long acuminate. Flowers resupinate, small; ovary and pedicel fusiform, 6-9 mm, puberulent. Sepals dark green to purple-brown, sparsely puberulent; dorsal sepal ovate-lanceolate to ovate, 3.8-4.5 × 2-2.8 mm, 1-veined, apex acute; lateral sepals weakly to widely spreading, oblong-ovate, slightly oblique, 3.8-4.5 × 1.5-2 mm, 1-veined, apex acute to obtuse. Petals white, suboblanceolate-oblong, oblique, 4-4.5 × 1.2-1.3 mm, 1-veined, base attenuate, apex subobtuse; lip white or pale yellow, T-shaped, 3.5-5 mm, 3-partite; hypochile saccate, containing 2 subulate, hooked calli; mesochile ca. 1 mm, margin involute toward apex; epichile transversely oblong, ca. 1 × 3-4 mm, composed of 2 lobes diverging at right angles to axis of lip, often with a small mucro at apex between lobes; lobes suboblong, 1.5-2 × 0.8-1.2 mm, apical margin entire or sometimes irregularly denticulate. Column ca. 2 mm; wings much reduced and indistinct; anther ovoid-lanceolate, ca. 1.5 mm; rostellum arms linear, ca. 0.8 mm. Fl. Feb-Aug. 2n = 20.
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