黑龙江杨 hei long jiang yang

Trees; bark grayish white. Branchlets reddish yellow, angled, glabrous. Petiole 2-3 cm, densely pubescent; leaf blade ovate to broadly ovate, 4.5-7 × 2-4 cm, abaxially pale, adaxially deep green, both surfaces densely pubescent along veins, base rounded or cordate, margin serrulate, apex shortly acuminate. Female catkin 6-7 cm, 9-10 cm in fruit; rachis densely white downy. Female flower: stigma 4-lobed. Capsule globose, ca. 5 mm, white pilose, 4-valved, subsessile.

Planted along rivers. N Heilongjiang, NE Nei Mongol (Butha Qi) [Russia]

Used for timber, tool making, and matchwood.