Prostrate or ascending annual herbs. Stem usually richly branched, spreading, erect or creeping, up to 40 cm, villous to hirsute. Leaves 3-12 mm long, villous or hirsute partic-ularly when young, orbicular to reniform with rounded apex and cordate or truncate base; petiole 1-12 mm. Stipules entire, up to 1.5 mm long, scarcely distinguishable from the indumentum. Inflorescence terminal, axillary cymes; peduncles 1-5 cm; bracts up to 1.5 mm, pedicels 2-15 mm, finely pubescent to nearly glabrous. Sepals ovate-elliptic, finely pilose to nearly glabrous, 2-3.5 mm long. Petals as long as sepals, obtuse or shallowly divided. Stamens (3-)5, the filaments 2-3 mm long, shallowly connate at the base. Style trifid in the upper half, finally much exserted from the calyx. Capsule ovoid to ellipsoid, 2-3.5 mm long. Seeds numerous, cochleate, rough with minute papillae.
Plants annual. Stems diffuse, slender, rarely rooting at lower nodes, pilose or hirsute, Stipules 0.5--1.5 mm, slender, scarious. Leaf blade ovate or reniform, 0.5--1(--1.5) cm, pilose or glabrous. Peduncle 1--5 cm. Pedicel 0.2--2 cm, pilose. Sepals ovate-elliptic, ca. 3 × 1 mm, glabrous or pilose, margin membranous, apex acute. Petals white, subequaling sepals, 2-parted. Stamens 5, shorter than sepals, 2--3.5 mm. Ovary ovoid; styles 3, connate to below middle. Capsule ovoid, 2--3 mm. Seed reniform, tuberculate.
A herb. The leaves are 0.3-0.6 cm long by 0.2-0.4 cm wide. The leaves are rounded and slightly hairy with a rounded tip. The flowers are white.