Morong, Bull. Torrey Bot. Club 21:441.1894
Vine, climbing into the canopy, somewhat woody at base, glabrous; stems terete, armed when juvenile with broad-based spines to 2 cm long. Petioles 1-3 cm long; blades lanceolate or lanceolate-oblong to ovate or ovate-oblong, short-acuminate, obtuse to truncate or rounded at base, 10-23 cm long, 3-12 cm wide, 5-7-veined at base, all other veins reticulate. Flowers 6-parted, greenish-yellow or greenish-white, the umbels solitary and axillary or sometimes in a short, branched series; peduncles flattened, longer than subtending petioles; staminate umbels with peduncles 6-20 mm long; pedicels 4-8 mm long; tepals lanceolate, 4-6 mm long, ca 1.5 mm wide; filaments 6, 1-2 mm long; anthers linear, 2-2.5 mm long. Pistillate umbels with peduncles 1-2.5 cm long; pedicels 5-15 mm long; staminodia 6; styles 3. Berries globose, 7-12 mm diam, green to red and finally black, l-3 seeded. Croat 6475.
Rare, in the forest. Flowers and fruits throughout the year.
Guatemala to Panama. In Panama, known from tropical moist forest in the Canal Zone and Darien and from premontane wet and lower montane rain forests in Chiriquí.