black cottonwood
n 1: North American poplar with large rounded scalloped leaves
and brownish bark and wood [syn: {swamp cottonwood}, {black
cottonwood}, {downy poplar}, {swamp poplar}, {Populus
heterophylla}]
2: cottonwood of western North America with dark green leaves
shining above and rusty or silvery beneath [syn: {black
cottonwood}, {Western balsam poplar}, {Populus trichocarpa}]