Populus trichocarpa po·pu·lust·richocarpa uncommon noun 1. cottonwood of western North America with dark green leaves shining above and rusty or silvery beneath Synonymsblack cottonwoodWestern balsam poplarPopulus trichocarpa Related words Broader terms cottonwood WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
