black cottonwood, n.
cottonwood of western North America with dark green leaves shining above and rusty or silvery beneath
<noun.plant>
Populus trichocarpa Western balsam poplar black cottonwood
semantic pointers
hypernym
North American poplar with large rounded scalloped leaves and brownish bark and wood
<noun.plant>
Populus heterophylla black cottonwood downy poplar swamp cottonwood swamp poplar
semantic pointers
hypernym