2n = 40

Plant at fl. c. 8–30–(40) cm. tall. Swollen rhizomes extensively branched, individual parts to 4 × 1 cm. Stem us. slender. Scale lvs very few, small and widely spaced. Fls us. < 10, sts erect, apparently sts cleistogamic. Per. c. 10 mm. long, brownish; lobes slightly thickened marginally. Lateral sepals connate little above the gibbous base, but their margins lying close together. Labellum narrow-oblong, long-adnate to per.-tube; long median calli rather simple; margin narrow and little undulate, thickened distally. Column very short, wing represented only by a minute erect process; anther short, operculate, filament scarcely pleated at back; stigma immediately below anther.