Vine, +/- glabrous overall, the older stems somewhat woody; stems terete, unarmed. Petioles 5-10 (20) mm long, sheathed at base, with a pair of tendrils at apex of sheath; blades oblong or ovate-oblong, acuminate, rounded to obtuse at base, 6-18 cm long, 7-8 cm wide, 3-veined at base with an additional inconspicuous pair of submarginal veins, the secondary veins subparallel, connecting the primary veins. Flowers 6-parted, greenish-white, sessile, congested on globose, bracteate receptacle, in solitary, axillary umbels; peduncles longer than subtending petioles, the fruiting peduncles 1.5-2.5 cm long; staminate umbels on peduncles 2-4 cm long, always solitary; tepals unequal, the outer ovate-oblong, 3-4 mm long, ca 1.5 mm wide, the inner narrowly oval, 2-3 mm long, ca 1 mm wide; filaments 1-1.5 mm long; anthers linear, 1.5-2 mm long. Pistillate flowers with pedicels 1-2 mm long (ca 5 mm long in fruit); tepals 6, unequal, the outer narrowly ovate, 3-3.5 mm long, ca 1.8 mm wide, the inner slightly shorter, ca 1 mm wide; ovary ca 2 mm long, subglobose; staminodia 3, minute, oblong, ca 0.5 mm long and ca 0.2 mm wide; styles 3, ca 0.5 mm long, flattened, nearly as broad as long. Berries +/- globose, ca 1.5 cm diam, green turning red and finally black, 1-3-seeded. Croat 8772, 15260, Zetek 5587. Costa Rica and Panama. In Panama, known only from tropical moist forest in the Canal Zone.