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General Description

Trees, 1-10 m tall; buds glabrous or subglabrous. branchlets glabrous to pubescent, terminal buds glabrous to tomentose. Leaf rachis terete; Petiole 6-9 cm, glabrous or pubescent; rachis terete or narrowly winged distally, glabrous to pubescent; leaf blade imparipinnately compound, 20-35 cm; leaflets 9-15, opposite or subopposite; leaflet petiolule 2-5 mm; leaflet blade oblong-elliptic to ovate-lanceolate, 5-16 cm long, 1-5.5 cm wide, papery or thinly leathery, glabrous on both surfaces, glaucous abaxially, base oblique, rounded or broadly cuneate, margin entire, apex acuminate to caudate-acuminate, lateral veins 15-22 pairs, slightly prominent on both surfaces. Inflorescence paniculate, 7-15 cm, many branched, glabrous. Pedicel ca. 2 mm; flowers yellowish green, ca. 2 mm in diameter. Calyx glabrous, lobes broadly ovate, ca. 1 mm, obtuse apically. Petals oblong, ca. 2 mm, obtuse apically, with ± conspicuous featherlike venation pattern, revolute at anthesis. Stamens exserted; filaments linear, ca. 2 mm; anthers ovoid, ca. 1 mm. Disk 5-lobed. Ovary globose, glabrous. Drupe large, asymmetrical, 7-10 mm in diameter, compressed, apex eccentric; epicarp thin, yellow, glabrous; mesocarp thick, white, waxy, with brown longitudinal resin ducts.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

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