Large trees to 40 m tall, buttressed or unbut-tressed, the young branches puberulous, soon glabrous, with clusters of large prominent lenticels with central slit. Stipules lanceolate, very early caducous. Leaves thickly coriaceous to chartaceous, oblong, 4-18 by 1.5-6.5 cm, glabrous above, with stomatal crypts filled with lanate pubescence beneath, acuminate at apex, the tip 3-10 mm long, rounded to subcuneate at base; midrib plane or slightly impressed and sparsely tomentellous when young above, prominent beneath; primary veins 16-22 pairs, curved and anastomosing at margins; secondary nerves reticulate, slightly flattened, with a series of marginal glands at vein endings on lower portion; petioles 2-8 mm long, tomentellous when young, terete or slightly canaliculate, with 2 conspicuous or sometimes obscure glands. Inflorescence of terminal and subterminal panicles, 2-6 cm long, the rachis and branches densely tomentose or tomentellous; bracts and bracteoles large, ovate, 2-2.5 mm long, tomentose on exterior; pedicels 0.2-1.5 mm long. Calyx lobes triangular, acute, c. 1 mm long, tomentose on exterior, tomentellous within. Petals 5, white, acute. Fertile stamens 7-8, with tooth-like staminodes opposite, lanate around base. Ovary villous, style villous on lower portion, glabrous above; stigma capitate. Fruit ovoid, 4-6 cm long; epicarp sparingly to densely lenticellate; mesocarp thin, fleshy; endocarp hard, thick, marbled, lanate within.
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A tree. It grows 30-40 m tall. The trunk can be 60-80 cm across. The leaves are in spirals on small branches. The leaves are 4-19 cm long and 1.5-6.5 cm wide. The flowers are near the ends of branches. They are white to pale yellow. The fruit are 4-6 cm long. There are 1 or 2 seeds.