Tree, up to 30 m high and 1 m diam. but usually smaller, 6-12 m high and 30-40 cm diam., with rather knotted trunk and low-attached crown. Leaves ovate or elliptic, ca 18-25-nerved, 10-25 by 7-13 cm, on saplings ca 50-nerved, 30-60 by 14-18 cm, with rounded to obtuse, on saplings acute apex, rounded to acute, often unequal-sided base, and entire to obscurely dentate margin. Petiole ca 2½-5 cm long. Underside of the leaf and petiole hirsute-tomentose. Flower ca 16 cm diam. Sepals 5, elliptic, 25-30 by 16-27 mm, the innermost ones the narrowest, the two outer ones densely villose outside, the third one with one glabrous margin, the inner ones densely villose on the central part only. Petals yellow, 6½-7½ by 5-6 cm. Stamens in 2 distinct groups, the outer ones, ca 450, 16-20 mm long, straight in bud, the inner ones, ca 25, 25 mm long, with their apex reflexed in bud. Carpels 8-12, usually 10, 6-7 by 2-2½ mm, with 20 mm long, yellowish white styles; each with ca 50 ovules. Fruit indehiscent, dull yellow, depressed-globose, ca 4½ cm high, 6 cm diam. including the enclosing sepals, which are ca 7½ by 5½ cm, at the base 1½ cm thick. Carpels ca 22 by 10 mm, each with 1-7 seeds in glutinous pulp. Seeds obo-void, 5 by 4 mm, black, glabrous, exarillate.
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An evergreen tree. It grows 6-12 m tall but can be 30 m tall. The trunk is knotted and without branches for 5 m. The trunk can be 100 cm across. The bark is flaky and reddish brown. The leaves are large. They are oval and 10-20 cm long by 7-13 cm wide. There can be teeth along the edge. They have velvety hairs underneath. The flowers are golden yellow. They can be 16 cm across. The fruit are egg shaped and 4-5 cm long by 3-4 cm wide. They are pale yellow to reddish when ripe. The seeds are blackish brown.