Annual. Stems weak, ascending, terete, (10)-15-40-(60) cm long, with 1 line of hairs. Lvs green, not connate, ovate to broadly lanceolate, acute to apiculate, narrowing abruptly at base, ciliate on proximal margins and midrib above, 5-40-(50) × 5-15-(25) mm; petiole ciliate, c. = lamina in lower lvs, almost 0 in upper lvs; marginal vein distinct. Infl. terminal, cymose, usually lax, (1)-3-15-(50)-flowered. Bracts leaflike. Pedicels slender, patent, (5)-10-40 mm long, with 1 line of hairs. Sepals narrow-lanceolate, obtuse to subacute, not veined, (3)-4-6 mm long, hairy outside; margins scarious. Petals slightly < to slightly > sepals. Stamens (0)-3-5-(10). Capsule narrow-ovoid, = or slightly > calyx. Seeds dull brown, 0.9-1.2 mm long; tubercles triangular, sharp.