Tree, to 8 m tall, glabrous, unarmed; stems prominently ribbed below petioles. Leaves simple; petioles narrowly winged near apex, 6-14 mm long, ca 2 mm wide, articulate at apex; blades ovate to elliptic, blunt to retuse at apex, obtuse to acute at base, 3-8.5 cm long, 1.5-4.5 cm wide, densely punctate, +/- stiff, bicolorous, subentire to crenate. Flowers strongly aromatic, 5-parted, solitary (or paired) in axils; calyx short, thick, lobed to about middle, with prominent submarginal bumps, the margin thin, often minutely ciliolate; petals oblong-obovate, acute to rounded at apex, white, spreading at anthesis, 11-14 mm long, ca 3 mm wide, with sparse, large, glandular dots; stamens ca 20, +/- unequal, 8-10 mm long, the filaments weakly fused laterally; anthers oblong, the connective prolonged into a greenish knob; pollen yellow-golden, tacky, adhering in large clusters; ovary depressed-globose, glabrous; disk prominent; style shorter than stamens; stigma globose. Fruits depressed-globose, 3-3.5 cm diam, orange at maturity, sweet, the rind easily separating. Croat 14579. Flowers are visited by hummingbirds. Apparently native to Indochina; now widely cultivated in the tropics and subtropics and throughout Panama.