Terrestrial herb; stolons very slender, bearing numerous short-stalked bladders ± 3-4 mm diam. Lvs few, deciduous, radical, (5)-10-20-30 mm long, narrow, linear to lanceolate or spathulate, entire. Scape very slender, ± 7-25 cm long, erect, (1)-3-4-flowered; bracts c. 1 mm long, broad-ovate. Fls subsessile. Calyx c. 2.5 mm long; upper lobe suborbicular; lower smaller, 2-or obscurely 3-toothed. Corolla pale purple with yellow eye, rarely whitish; upper lip truncate to emarginate, oblong-cuneate; lower lip c. 10 mm diam., ± semi-circular, broad, entire to 3-lobed; spur short, thick, obtuse. Capsule 4-5 mm diam., globose or nearly so.