Plants autotrophic, 10-18 cm tall. Rhizome with a few filiform roots. Stem 1.5-5 cm, with 1 or 2 sheaths toward base. Leaves 2, opposite, borne below middle of plant, orbicular-ovate or reniform, 1.8-2.6 × 1.8-2.8 cm, base obtuse-rounded, apex rounded or subacute. Peduncle pubescent; rachis 5-9 cm, pubescent, laxly 8-20-flowered; floral bracts ovate or broadly ovate, 3-4 mm, apex acute or obtuse. Flowers resupinate, green; pedicel ca. 3 mm, almost glabrous; ovary 1-1.5 mm, glabrous. Sepals elliptic or ovate, ca. 3 × 1 mm, 1-veined, apex obtuse; lateral sepals oblique. Petals linear, ca. 3 × 0.5 mm, apex obtuse; lip subcuneate, ca. 6 × 1.5-2 mm, base attenuate, apex deeply 2-lobed; lobes divergent, narrowly linear, 2-2.5 × ca. 0.5 mm, margins minutely papillose-ciliate, apices obtuse; sinus with a short tooth between lobes. Column slightly arcuate, ca. 2 mm. Fl. Jul.
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