Populus heterophylla
| Populus heterophylla | |
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| File:Populus heterophylla - NRCS 1.jpg | |
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P. heterophylla
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| Binomial name | |
| Populus heterophylla |
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| File:Populus heterophylla range map 1.png | |
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Populus heterophylla, also known as downy poplar,[1] swamp poplar[1] and swamp cottonwood,[2] is a large deciduous poplar belonging to Populus section Leucoides. It is found in wet bottomland forests,[3] reaching a height of 100 feet (30 m) at full maturity and 50 feet (15 m) in 20 years.[4] The swamp cottonwood is similar to the eastern cottonwood except the leaves are cordate (heart-shaped) instead of deltoid.
This species is indigenous to warm, temperate regions in North America, although nowhere is it considered abundant. Swamp cottonwood can be found along the eastern seaboard of the United States from Connecticut and southeastern New York to Georgia and northwestern Florida, west to Louisiana. It also grows north in the Mississippi Valley to southeastern Missouri, western Tennessee, Kentucky, southern Illinois, Indiana, Ohio, and southern Michigan. A separated population was discovered on a flat clay plain near Lake St. Clair in extreme south western Ontario, Canada in November 2002.
References
External links
- USDA Forest Service: Silvics of Trees of North America. Populus heterophylla L. Swamp Cottonwood
- USDA Natural Resources Conservation Service: Plant Profiles. Populus heterophylla L. swamp cottonwood
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