Slender decumbent glab. herb, c. 5 cm. tall. Stems often closely branched, rooted at lower nodes, ascending above. Lvs linear-oblong, subacute, 3-5 mm. long including the wide-winged petiole that is hardly distinct from the lamina, connate. Fls solitary, axillary, peduncles very short. Sepals 5, c. 3 mm. long, narrow-lanceolate, acuminate with pale membr. border; petals apparently lacking; stamens 5-(10); styles 3, capsule ovoid, about as long as sepals, 6-valved, many-seeded; seeds > 0·5 mm. diam., brown, rough-surfaced with well-developed rounded tubercles.

Glabrous annual herb. Stems decumbent, terete, 1.5-4 cm long. Lvs dark green or glaucous, cuneate to short petiole, narrow-oblong or oblanceolate, subacute, 3-5 mm long. Fls solitary; peduncles slender, 3-10 mm long, erect. Bracts leaflike. Sepals lanceolate or narrowly ovate-lanceolate, acuminate, 2-3 mm long, weakly 1-veined; margins narrowly scarious. Petals 0. Stamens 5-10. Capsule ovoid or globose, slightly < or = sepals. Seeds red-brown, 0.6-0.7 mm long; tubercles large, rounded.