Dwarf herb with creeping or erect rhizomes. Leaves lanceolate to broadly lanceolate, acute, erect or spreading, 1-4 cm long, 0.3-0.6 cm wide, green, rather glossy, glabrous or glabrescent; margins thickened and infolded near apex forming narrow ridges separated by a deep cleft. Inflorescence simple or 2-branched, shorter or slightly longer than the leaves, with 2-6 white flowers; peduncle 0.5-1.5 cm long, glabrous; pedicels less than 1 mm long. Perianth lobes 3.5-5 mm long, spreading, 1-2 times as long as tube. Stamens less than 1 mm long; filaments deltoid, shorter than anthers, inserted at throat. Ovary 3-lobed; style trifid, short, or styles 3. Capsule oblong, 2.5-3 mm long, not exserted.