| white poplar | USDA PLANTS Symbol: POAL7 U.S. Nativity: Exotic Habit: Hardwood Trees |
| Populus alba L. |
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Taxonomic Rank: Magnoliopsida: Salicales: Salicaceae |
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| Native Range: Africa, temp. Asia, Europe (GRIN); | |
White poplar is a tree that can grow 40-80 ft. (12.2-24.4m) tall and 40-50 ft. (12.2-15.2 m) wide. The bark on young trees is smooth and greenish white becoming gray and wrinkled, as trees age. The leaves resemble maple leaves, but the topside of leaves are shiny, dark green while the underside is bright white and hairy. Leaves are 2-4 in. (5.1-10.2 cm) long. Flowers are inconspicuous and develop in slim, cylindrical flower clusters (catkins) before the leaves develop. Fruit are small, hairy seed pods that are spread by wind. Branches are susceptible to breakage when under stress, such as heavy snow or ice. Trees produce prolific rootsprouts. White poplar is native to Eurasia and grows best in full sun. |
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Identification, Biology, Control and Management Resources
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| Selected Images from Invasive.org | View All Images at Invasive.org |
 Foliage; Paul Wray, Iowa State University, Bugwood.org Additional Resolutions & Image Usage |
 Foliage; Richard Old, XID Services, Inc., Bugwood.org Additional Resolutions & Image Usage |
 Foliage; Paul Wray, Iowa State University, Bugwood.org Additional Resolutions & Image Usage |
 Diagram or Graphic; 1 - 2. Branchlet with male catkins (a - c). - 2. Branchlet with female catkins (d - f). - 3. Branchlet with short shoot and ripe (a - c) fruit-catkins (fruits are capsules opening with two valves; seeds are without endosperm, furnished with tufts of cotton-like white hair). - 4. A leader with palmately lobed leaves. - 5. Winter-branchlet. - 6. Seedling with cotyledons and first ordinary leaves. After Hempel & Wilhelm, 1889. Photos and explanations from the book: Zelimir Borzan. "Tree and Shrub Names in Latin, Croatian, English, and German, with synonyms", University of Zagreb, 2001. Zelimir Borzan, University of Zagreb, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Paul Wray, Iowa State University, Bugwood.org Additional Resolutions & Image Usage |
 Bark; Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Additional Resolutions & Image Usage |
 Root(s); Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Richard Old, XID Services, Inc., Bugwood.org Additional Resolutions & Image Usage |
 Tree(s); Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Additional Resolutions & Image Usage |
 Tree(s); Leslie J. Mehrhoff, University of Connecticut, Bugwood.org Additional Resolutions & Image Usage |
 Diagram or Graphic; Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 587. USDA PLANTS Database, USDA NRCS PLANTS Database, Bugwood.org Additional Resolutions & Image Usage |
| EDDMapS Distribution: This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org |
 State(s) Where Reported invasive. Based on state level agency and organization lists of invasive plants from WeedUS database. |
