132479 Hybrid Black-poplar Populus x canadensis (Salicaceae) HEIGHT to 30m. Upright or spreading tree, depending on situation, with a narrow crown. Similar to Black-poplar, one of parent species, and in many areas far more common; other parent is N American tree, Cottonwood. Trunk lacks burrs seen in Black-poplar. BARK Deeply fissured and greyish. SHOOTS Young twigs greenish or slightly reddened. LEAVES Alternate, oval to triangular and sharply toothed with fringes of small hairs. REPRODUCTIVE PARTS Catkins, similar to those of Black-poplar. STATUS AND DISTRIBUTION Planted for ornament or timber (used for packing crates and boxes). Does not thrive in wet or cold areas.