Plants dwarf, 5-10(-15) cm tall. Tuberoids small, globose, sessile. Leaves solitary, basal, oblong-spathulate, subobtuse, up to 5 x 1.5 cm. Inflorescence 1-3 (-5) cm long, 0.7-0.8 cm broad, rather lax. Bracts minute, broadly ovate, much shorter than ovary, c.1.4 mm long. Flowers green, ± erect. Dorsal sepals broadly ovate, forming a hood with the petals over the column; lateral sepals somewhat longer, 1.6-2.2 mm, ± obliquely elliptic, spreading. Petals oblong-ovate, slightly concave. Labellum fleshy, 1.8-2.0 mm long, with much widened base, excavated into two oval pits, suddenly narrowed into dagger-like anterior portion. Ovary shortly pedicelled, twisted.