Treelet to 8 m tall; trunk to 6 cm in diam.; bark light brown, lenticellate. Stems terete, glabrous, vernicose. Leaves paripinnate; petioles at least 17 cm long, nearly terete, striate, glabrous, bulbous at base; rachis at least 23 cm long, terete to transversely depressed-obovate in cross section, striate, minutely lenticellate, glabrous; petiolules woody, bulbous, 0.5-1.5 × 0.3-1.2 cm, glabrous, adaxially subcanaliculate to strongly canaliculate; leaflets 4-8, opposite or alternate, oblanceolate, spatulate or elliptic, 18.5-66 × 6.5-20 cm, subcoriaceous, glabrous, flattened to bullate, slightly lustrous on both surfaces, the venation brochidodromus, forming a submarginal loop, the adaxial surface with a prominent carinate midvein and slightly raised secondaries, the abaxial surface with strongly prominent midvein, secondaries and tertiary veins slightly prominent, the margins undulate, slightly revolute, the apex obtuse to acuminate, the base slightly asymmetrical, cuneate-obtuse. Thyrses axillary or distal, paniculate, ca. 50 cm long; axes angled, puberulent, with minute papillate glands; bracts triangular to nearly lanceolate, 0.5-0.7 mm long, puberulent; dichasia simple or compound; peduncles ca. 0.5 mm long, puberulent; pedicels 2.5-4 mm long, articulate at upper third, puberulent to pubescent. Calyx 2-2.5 mm long, puberulent, the sepals ovate, ca. 1.5 mm long, keeled along dorsal ridge, ciliate on margins; petals ovate-lanceolate, 5.5-6 mm long, reflexed at anthesis, white, papillate adaxially, glabrous abaxially, ciliate on margins, the apex obtuse, the base cuneate; appendages lanceolate, slightly shorter than the petal, villose adaxially on upper half and along margins, glabrous or sparsely appressed-pubescent abaxially, the apex obtuse, the base narrowed; disc annular, 5-lobed, orange, tomentulose, ca. 1 mm tall; stamens 8, the filaments of equal length, pilose, the anthers ca. 1 mm long, lanceolate, glabrous, apiculate at apex; ovary conical, ferruginous-tomentulose, the stigma 3-lobed-capitate, papillate. Fruits yellow, ellipsoid, ca. 2.8 cm long, glabrous, minutely rugulate, the pericarp woody, ca. 2 mm thick, the endocarp glabrous, rugulate. Seeds unknown.
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