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FOC | Family List | FOC Vol. 4 | Salicaceae | Populus

60. Populus yatungensis (C. Wang & P. Y. Fu) C. Wang & S. L. Tung, Fl. Xizang. 1: 422. 1983.

亚东杨 ya dong yang

Populus yunnanensis Dode var. yatungensis C. Wang & P. Y. Fu, Acta Phytotax. Sin. 12: 192. 1974; P. pseudoglauca C. Wang & P. Y. Fu var. yatungensis (C. Wang & P. Y. Fu) N. Chao.

Trees to 10 m tall; bark grayish green to grayish, furrowed. Branchlets yellowish brown or grayish brown, purplish brown when young, angled, yellowish villous. Buds purple, downy, viscid. Petiole terete, 4-7 cm, villous, glandular distally; leaf blade long ovate to broadly ovate, 14-16 × 6-11 cm, abaxially glaucous, sometimes with coarse, long hairs, adaxially dull green, both surfaces pilose along veins, base cordate, margin glandular serrulate or crenate-serrate, ciliate or glabrous, apex acuminate to long acuminate. Fruiting catkin to 22 cm; peduncle pilose; rachis purplish red, stout. Capsule globose-ovoid, glabrous or pilose, 4-valved, shortly stipitate or sessile.

* Mountain slopes; 2400-3600 m. SW Sichuan, Xizang, Yunnan.

1 Leaf margin crenate-serrate, base deeply cordate   60b var. crenata
+ Leaf margin serrulate or slightly serrulate, base cordate but not deeply so   60a var. yatungensis

Lower Taxa


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