Glab. herb with creeping stems and branches rooting at nodes; final branches sts ascending. Lvs tufted at nodes, on rather stout petioles 5-10-15 cm. long; stipules ± laciniate. Lamina coriac., (1)-2-(4) cm. diam., orbicular-reniform, deeply 3-5-partite or rarely 3-5- foliolate. Lflts or divisions sessile, broad-obcuneate, crenately 3-5-lobed towards apex. Peduncles (2)-5-(15) cm. long. Umbels (5)-10-15-(20)-fld, sts with 1-3 accessory umbellules on filiform pedicels up to 4 cm. long. Involucral bracts linear to narrow-oblong to lanceolate. Fr. ± 2 mm. long, tetragonous, on short slender pedicels. Mericarps distinctly 5-ribbed.

2n = 32