Plants 5–8(–12) cm. high, growing in clumps.. Rhizome horizontal, long and narrow, stoloniferous, with subterranean runners producing new plants; roots reduced to sessile elongated tubers.. Leaves rosulate, ± prostrate, linear to oblanceolate, membranous, pubescent on the adaxial surface, glabrous on the abaxial surface, 3–10 cm. long, 0.5–1.5(–2) cm. wide; margins ciliate.. Peduncle terete, closely ribbed, pubescent, 1.3–2.2 cm. long.. Inflorescence dense, unbranched; floral bracts lanceolate, ciliate.. Pedicels articulated at the apex, up to 3 mm. long, solitary at the nodes.. Perianth slightly campanulate; tepals connate, white, 1-veined.. Stamens exserted; filaments filiform, longer than the anthers.. Ovary sessile to subsessile; style as long as the stamens.. Capsule subglobose, 2.5 mm. long, 3 mm. wide.. Seeds saucer-shaped, ± 1.5 mm. in diameter.