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General Description

Trees or shrubs, 3-8 m tall; branchlets purplish red, glabrous, glaucous; buds purplish brown, glabrous. Petiole 4-6.5 cm, petiole and rachis slender, purplish red, glabrous, often glaucous; leaf blade imparipinnately compound, 20-30 cm; leaflets 7-15, opposite or subopposite; leaflet petiolule 5-15 mm; leaflet blade obovate-elliptic to lanceolate, 5.5-10 cm long, 1.5-3.5 cm wide, papery, glabrous on both surfaces, glaucous abaxially, base broadly cuneate to decurrent, margin entire, apex acuminate to acute, lateral veins ca. 20 pairs, prominent on both surfaces. Inflorescence paniculate, 15-25 (-30) cm, glabrous. Pedicel 2-3 mm, glabrous; flowers light yellow, ca. 4 mm in diameter. Calyx glabrous, lobes broadly ovate, ca. 1 mm, obtuse apically. Petals elliptic, ca. 3 × 1.5 mm, obtuse apically, with brown featherlike venation pattern, revolute at anthesis. Stamen filaments subulate, ca. 1.5 mm; anthers ovate-oblong, ca. 2 mm. Disk 5-lobed. Ovary subglobose, ca. 0.5 mm in diameter. Drupe oblique, compressed, 6-7 mm long, 7-8 mm wide, glabrous, light yellow at maturity, lucid.


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

© Wen, Jun

Source: Plants of Tibet

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