Slender softly woody liane, forming tangled masses in absence of support, up to c. 3 m. tall, rather sparingly branched; branches flexible, grooved. Lvs alt.,1-(3)-foliolate to 3-lobed or simple, on slender petioles up to ± 10 mm. long; sheaths broad, produced into 2 blunt lobes. Lflts up to c. 12 mm. diam., submembr., dark green above, glaucous below, orbicular to rhomboid to reniform, truncate to cordate at base, crenulate to subentire. Umbels axillary and terminal, compound, ± 10 mm. diam., on peduncles ± 2 cm. long. Rays (2)-3-6, slender, 5-(9) mm. long. Involucral bracts few, linear, attenuate. Calyx-teeth minute; petals white, inflexed at tips. Fr. c. 5-7 mm. long, oblong-ovate in outline, ± cordate at base. Mericarps strongly compressed; 2 lateral wings very broad, very thin. Dorsal ribs 3, narrow. Vittae 1 per furrow, 2 commissural.