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General Description

Trees to 30 m tall; bark brown or grayish black. Branchlets yellow-brown, densely yellow villous. Petiole 0.8-1.5 cm, densely yellow pubescent; leaf blade ovate-elliptic, oblong, or ovate-lanceolate, 5-14 cm long, 2-8 cm wide, both surfaces densely villous when young, abaxially densely resinous punctate and bearded in axils of lateral veins, base rounded or subcordate, margin irregularly and doubly subincurved setiform serrate; apex acuminate; lateral veins 13-14 on each side of midvein. Female inflorescences 2, narrowly cylindric, 2.5-10 cm long, 5-7 mm wide; peduncle 7-10 mm, densely yellow pubescent; bracts oblong-lanceolate, 2-3 mm long, 1.5-1.7 mm wide, sparsely pubescent at base, ciliolate, spongy at base when mature, 3-lobed, middle lobe ovate-lanceolate, lateral lobes ± reduced, ca. 1/3 as long as middle lobe. Nutlet ovate or oblong, ca. 2 mm long, 1-1.5 mm wide, densely pubescent at apex, with membranous wings ca. 2 × as wide as nutlet.


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

© Wen, Jun

Source: Plants of Tibet

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