black cottonwood

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. North American poplar with large rounded scalloped leaves and brownish bark and wood
• Syn:
swamp cottonwood, downy poplar, swamp poplar, Populus heterophylla
• Hypernyms:
cottonwood
2. cottonwood of western North America with dark green leaves shining above and rusty or silvery beneath
• Syn:
Western balsam poplar, Populus trichocarpa
• Hypernyms:
cottonwood