Tree to 40 m tall, to 1 m dbh; sap milky; stems and leaves glabrous. Leaves simple, alternate, dense at apex of branchlets, more widely spaced below; petioles 1-6 cm long; blades mostly oblong, acute to long-acuminate, cuneate at base, 9-35 cm long, 2-7 cm wide, often undulate. Panicles terminal, 20-50 cm long; flowers bisexual, 5-parted; sepals ovate, to 3 mm long; petals greenish-white, +/- oblong, to 5 mm long; stamens 5,1 large and fertile, the other 4 reduced to staminodia; ovary obliquely subglobose or the style eccentric, slender, about equal to fertile stamen. Drupes oblong or semireniform, 10-20 (30) cm long, greenish-yellow or orange at maturity; mesocarp thick, juicy, yellow or orange; seed oval, flattened. Croat 5435, 7107. Touching these plants, especially the fruit, causes some people to be poisoned in the same manner in which they are from poison ivy (Blohm, 1962).