quaking aspen Salicaceae Populus tremuloides Michx. Listen to the Latin symbol: POTR5 Other Fact Sheets
Leaf: Alternate, simple, 1 to 3 inches long, green above and paler below, heart-shaped to nearly round with a fine toothed margin, petiole is flattened.
Flower: Species is dioecious; male and female hanging catkins 1 to 3 inches long.
Fruit: Catkin (2 to 4 inches long), with attached light green capsules which contain many small hairy seeds.
Twig: Slender, glabrous, reddish brown often with a gray, waxy film; buds conical, reddish brown, terminal bud 1/4 inch long, may be slightly resinous.
Bark: At first smooth, creamy yellowish-white to very light green; later developing thick furrows and becoming dark, especially near the base.
Form: Small (30 to 40 feet tall) upright tree, which often occurs in thickets.

Looks like: bigtooth aspen - black cottonwood - balsam poplar - Fremont cottonwood
leaf flower fruit twig bark form1 map
Additional Range Information:
Populus tremuloides is native to North America.
Range may be expanded by planting.
See states reporting quaking aspen.
More: Fall Color Wood
External Links:
USDAFS Silvics of North America
USDAFS Additional Silvics
Landowner Factsheet
USDA Plants Database
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Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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