Prostrate, somewhat hairy, annual; stems slender, decumbent, much-branched, rooting from nodes; internodes with bifarious hairs. Petioles 5-15 mm long. Lamina to 1.6 × 1.8 cm, oblong, suborbicular to reniform, hairy or glabrate, entire on basal lvs, otherwise usually 3-lobed; lateral lobes often with a small basal lobe; middle lobe largest; base broad-cuneate to subcordate; apices of lobes ± obtuse. Fls solitary in lf axils; pedicels 5-20 mm long, much > calyx, with hairs in a longitudinal band. Calyx 3-5 mm long; lobes broadly ovate, long-ciliate, cordate at base, acute at apex. Corolla 3-4 mm diam., pale blue. Capsule 3-6 mm diam., suborbicular or orbicular, glabrous. Seeds ± reniform, deeply concave on 1 side, tranversely ribbed on convex side.