Tree, to 7 m tall; young stems and sometimes petioles ferruginous-tomentose. Petioles ca 5 mm long; blades oblong-elliptic to oblong-obovate, acuminate, obtuse to rounded at base, 6-12 cm long, 2.5-5 cm wide, glabrous. Flowers solitary along stems; pedicels 2-3 cm long; sepals 3, ovate, less than 5 mm long; petals valvate, the outer 3 ovate, free, thick, 2-3 cm long, the inner 3 thinner and smaller than the outer; stamens numerous. Fruits fleshy aggregates, ovoid-ellipsoid, to 20 (25) cm long and 10 (12) cm diam, with white juicy pulp, dark green, bearing stout fleshy spines; seeds numerous, l per carpet. Croat 5176, 5898. Cultivated at the Laboratory Clearing near the dock. Flowers from January to August. The fruits, which hang on all year, are known to mature in July and August, but probably in the dry season also.