Summary ²

Populus heterophylla, also known as downy poplar, swamp poplar and swamp cottonwood, is a large deciduous poplar belonging to Populus section Leucoides. It is found in wet bottomland forests, reaching a height of 100 feet (30 m) at full maturity and 50 feet (15 m) in 20 years. The swamp cottonwood is similar to the eastern cottonwood except the leaves are cordate (heart-shaped) instead of deltoid.

Sources and Credits

1. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Populus_heterophylla

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
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• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online

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