black cottonwood

Noun

• cottonwood of western North America with dark green leaves shining above and rusty or silvery beneath

• North American poplar with large rounded scalloped leaves and brownish bark and wood

Related words

• Synonyms: 
  Western balsam poplar , Populus trichocarpa , swamp cottonwood , downy poplar , swamp poplar , Populus heterophylla