Plant at fl. c. 2–10 cm. tall, elongating later. Stem erect, slender. Green lf sessile, us. ¼ to ½ way up stem, c. 1–3 cm. long, ovate, acuminate, strongly cordate at base. Raceme to 5 cm. long, us. less; floral bracts often green, foliaceous, ovate, sts small and membr. Fls 1–5–(10); per. c. 6–8 mm. long, ± erect, greenish with dull red on labellum. Sepals shortly and abruptly caudate; dorsal broadly lanceolate to ovate, concave, arched over column; lateral similar in length, linear-lanceolate. Petals shorter, lanceolate, acuminate. Labellum shorter than sepals, broad-ovate; tip acute and ± recurved, sts coarsely papillose; proximal part deeply concave; 2 rounded calli at base. Column shorter than labellum, without wings. Pollinia globose, 4 in each anther cell, breaking, if at all, into tetrads of grains.