Plant with very slender to filiform stolons bearing several subcompressed, subglobose bladders ± 1·5-2.5 mm. diam. Lvs radical, deciduous, (5)-10-15-(25) mm. long, narrow, linear to spathulate. Scape slender, erect, ± 2-10 cm. long, 1-(2)-fld. Fls (5)-9-10 mm. diam.; bracts minute, ovate-triangular. Calyx-lobes oblong, obtuse. Corolla dark to very dark violet-purple, with yellow eye, very rarely whitish. Upper lip broadly cuneate, retuse; lower broad, almost semicircular; palate with yellow glandular line; spur short, obtuse. Capsule subglobose-obovoid.