Description

Black poplar trees are robust dioecious tree to 35m tall (usually less) with a wide (c.20m diameter) rounded crown.

Branches
- stout
- arching often down-curving
- upswept at the tips
Trunk
- conspicuously bossed
- often inclined
- deeply furrowed dark-grey bark
- diameter at breast height up to 250cm
Twigs
- glabrous to finely pubescent
- terete, yellowish-brown at first, becoming grey-brown
- sticky with resin
- buds c.10mm, narrowly ovoid, acuminate, shiny, dark brown
Leaves
- 5 -10 x 4-8cm, rhombic-ovate to trullate
- long acuminate
- minutely crenate-serrate
- with obvious translucent margin
- broadly cuneate to truncate at base
- larger on sucker and coppice shoots
- on short shoots smaller, broader and more deltate,
- dark green above, paler beneath,
- initially bronze-tinted and
- with a distinct aroma
- becoming rather leathery in texture
- without basal glands
- petiole 3-7cm
- pubescent when young, glabrous later
- laterally compressed
- often conspicuously galled

Flowers