Trees, 6-16 m high; branchlets somewhat glaucous, minutely puberulent, be-coming glabrate. Leaves odd-pinnate, 17.5-38.5 cm long and 14.5-28 cm wide; petioles canaliculate, minutely puberulent, soon glabrate, 4-11 cm long; leaflets 7-11, oblong, abruptly acuminate, obtuse and inequilateral basally, membrana-ceous to subcoriaceous, often minutely papillose, the margins entire, 5-15 cm long and 2-5 cm wide, the lowermost pair smallest and reflexed; petiolules swollen apically and basally, minutely puberulent, soon glabrate, the laterals 4-11 mm long, the terminals to 24 mm long. Inflorescences axillary panicles, minutely puberulent; staminate with the branches widely spreading, 6.5-10 cm long and 3.5-7.5 cm wide; carpellate with the branches few, divaricate, 4.5-9.5 cm long. Flowers yellowish, 5-merous, subsessile to sessile; staminate with the calyx 5-lobed, less than 1 mm long, the petals 5, 1.5 mm long and ca. 0.5 mm wide, the stamens 10, 1 mm long, the disc 10-lobed, tomentulose; carpellate with the calyx cupuliform, minutely puberulent, 5-lobed, the lobes triangular, less than 1 mm long, subequal to the tube, the petals 5, thick, not reflexed, glabrous, slightly ridged abaxially, inflexed-apiculate, the margins papillose, 2.5 mm long and 1 mm wide, the stamens 10, the disc 10-lobed, tomentulose, the ovary ovoid, tomentulose, immersed in the disc basally, ca. 1 mm high, the stigma 5-lobed, usually persistent in fruit. Fruits obliquely ovoid to turbinate, minutely puberulent, becoming glabarate, 13-16 mm long and 8-19 mm in diameter; pyrenes 1 (-5).
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