Herbs, terrestrial. Stem subterete, 2-3(-10) cm, thick, fleshy, with many nodes, ± enclosed by white membranous sheaths, not articulate. Leaves often 2; petiole sheathlike, ca. 3 cm, not articulate; blade subelliptic, ca. 6.5 × 2.8 cm, membranous or herbaceous, base contracted into petiole, apex acute or obtuse. Inflorescence ca. 10 cm, usually not exceeding leaves; rachis laxly several flowered; floral bracts broadly ovate-triangular, ca. 1 mm. Flowers greenish white, often with 2 red stripes on lip; pedicel and ovary 6-7 mm. Dorsal sepal broadly linear, ca. 7 × 1.3 mm, inconspicuously 3-veined, apex obtuse; lateral sepals suboblong, ca. 6.5 × 1.8 mm, inconspicuously 3-veined, apex acuminate. Petals narrowly linear, ca. 7 × 0.5 mm; lip oblong, ca. 5 × 3.5 mm, shortly fimbriate, with 2 calli near base, slightly widened toward apex, subtruncate and emarginate. Column slightly arcuate, ca. 3.5 mm. Fl. Jul. 2n = 42.