All Floras      Advanced Search
FOC Vol. 4 Page 146 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 4 | Salicaceae | Populus

12. Populus ningshanica C. Wang & S. L. Tung, Bull. Bot. Lab. N.-E. Forest. Inst., Harbin. 4: 19. 1979.

汉白杨 han bai yang

Trees to 18 m tall; trunk to 30 cm d.b.h.; bark of young trees bluish gray, becoming bluish white; crown narrowly oblong. Branches spreading; branchlets dull purplish brown, at first pubescent, glabrescent. Buds ovoid, slightly viscid, shiny; scales ciliate at margin. Petiole laterally flattened, terete near base, 1.5-5(-6) cm, pilose, with 2 large, flattened glands at apex; leaf blade broadly ovate, red when young, 3-10 × 3-8 cm, both surfaces pilose along veins, later glabrous, abaxially greenish, adaxially dark green, base shallowly cordate or rounded to rounded-cuneate, margin remotely glandular sinuolate-serrate, apex shortly acuminate. Fruiting catkin ca. 10 cm. Capsule 2-valved.

* Forests; 700-800 m. Hubei, Shaanxi

Similar to Populus adenopoda but 1-year-old branchlets dark purple, smooth, pilose; bud scales ciliate at margin; leaf blade remotely sinuolate-serrate at margin, shortly acuminate at apex. Similar also to P. davidiana but bud scales ciliate at margin; petiole with 2 large glands at apex; leaf blade nearly deltoid-ovate, apex shortly acuminate.


Flora of China @
Browse by
Advanced Search

Flora of China Home




 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |