bigtooth aspen Salicaceae Populus grandidentata Michx. Listen to the Latin symbol: POGR4 Other Fact Sheets
Leaf: Alternate, simple, orbicular to ovate, 3 to 4 inches long, pinnately veined, large blunt teeth, petiole flattened vetically, green above and paler below.
Flower: Species is dioecious; males and females occur on hanging, 2 to 3 inch long fuzzy catkins, appearing before the leaves in early spring.
Fruit: Cottony seeds, 1/4 inch long, borne in small dehiscent capsules that occur along catkins, maturing late spring to early summer.
Twig: Medium-textured, gray-brown in color; buds are ovate, pointed, red-brown to gray with some pubescence; leaf scars raised and heart-shaped. When chewed, the twig has a bitter, aspirin taste.
Bark: Thin, gray, olive-green to milky green and smooth on young stems; later gray-brown, ridged with diamond shaped lenticels and splits forming.
Form: A medium sized tree with an irregular, thin crown and a straight bole.

Looks like: European white poplar - quaking aspen - balsam poplar - eastern cottonwood
leaf flower fruit twig bark form1 map
Additional Range Information:
Populus grandidentata is native to North America.
Range may be expanded by planting.
See states reporting bigtooth 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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