Trees 12-33 m high, dbh 15-55 cm, bole slightly crooked, flanged to c. 5 m; bark smooth, grey to greyish green or medium brown, blaze straw, underbade light brown or green, inner bark yellowish brown to brown. Indumentum on young parts and inflorescences dense, golden to rusty brown, also with small, red, more or less davate glands. Flowering twigs terete, 3-8(-9) mm in diam., striate to grooved, tomentose, glabrescent. Leaves (3-)4-6-jugate; petiole (2.5—)3—8(—11) cm long; rachis (5-) 6.5-17 cm long; petiole and rachis terete, striate, tomentose; petiolules (2-)3-7 mm long, pu-berulous. Leaflets (sub)opposite, rarely alternate, elliptic, slightly asymmetric, 7-15 by 1.5-5 cm, index 2-3.6, shiny, light to dark green above, dull below, chartaceous, above almost glabrous, with reddish glands along the midrib and nerves, midrib puberulous, below thinly sericeous, usually with many reddish glands, midrib more densely hairy; base cuneate to rounded; apex acuminate, acumen 4-14 mm long, acute, sometimes mucronate; margin entire; midrib above slightly prominent, nerves 10-22 per side, (2-)5-12 mm apart, angle to midrib c. 60°, usually with small pocket-like domatia. Inflorescences axillary, 10-40 cm long, with long and short, or only short patent branches, laxly flowered; cymules dichasial, many-flowered; bracts and bracteoles acicular, 0.7-4 by 0.2-1.1 mm, not persisting, outside appressed-hairy, inside glabrous or with some short hairs at the base, margin with red glands; pedicels 0.8-1.1 mm long, articulated at the base, tomentose. Flower buds whitish with brown hairs, globular, 2.6-4 by 2.9-4 mm. Sepals white to yellow, not persisting, outside appressed-hairy except rim, margin ciliolate and with small red glands, inside with some hairs at the base, outer about elliptic, 1.9-4.5 by 1.8-2.5 mm, scarious rim narrow, inner orbicular, 3.4-6.5 by 3-5 mm, scarious rim wide. Petals white or cream, elliptic or spathulate, not clawed, apically with few teeth to almost crenate, 2.5-4 by 1.3-2.5 mm, margin ciliate, but otherwise glabrous; scale 1, 2-crested, basifixed, 2-3.5 mm long, densely woolly, crests glabrous. Disc glabrous. Stamens 8, exserted; filaments filiform, 2-6 mm long, pilose in basal third; anthers ellipsoid, 0.5-1.5 mm long, glabrous; in female flowers filaments thick, c. 2 mm long, pilose in lower half, anthers c. 1.5 mm long. Ovary 2-celled, outside velutinous; style 2 mm long; stigma 0.5-1 mm long, 2-lined; pistillode 2-celled, velutinous, 0.8-2 by 0.8-2 mm. Fruits dark yellow to golden brown, usually compressed, ellipsoid or more or less lens-shaped to obcordate, 4-8 by 4-6 cm, 2-celled, acuminate, stipe 10 mm long; wall 0.7-1.7 mm thick, outside smooth, velutinous, inside whitish villose. Seeds ellipsoid, 3.5-4 by 2-3 cm, attached at ⅓ from the base of the cell, testa black; sarcotesta yellow or bright orange completely covering the seed, or sarcotesta up to halfway the seed and the rest of the seed covered by an arillode; hilum large, about ⅓ above the base; cotyledons more or less oblique superposed, unequal.
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