Any of several North American trees of the genus Populus having a tuft of cottony hairs on the seed.
Any of several North American poplars of the genus Populus, with seeds topped by a thick tuft of silky hairs. The eastern cottonwood P. deltoides, growing to 30 m/100 ft, is native to the eastern US. The name cottonwood is also given to the downy-leaved Australian tree Bedfordia salaoina.

1. City in Arizona (USA); zip code 86326.
2. City in Idaho (USA); zip code 83522.
3. City in Minnesota (USA); zip code 56229.
4. City in Texas (USA).
5. Town in Alabama (USA); zip code 36320.
6. Town in South Dakota (USA); zip code 57775.
7. Unincorporated community in California (USA).