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Florida 4-H Forest Ecology

Florida 4-H Forest Ecology

Identifying Characteristics

Size/Form: Eastern cottonwood is a medium-sized tree that reaches heights of 50’to 100’ in height.
Leaves: Leaves are simple, alternate, and deciduous. The blades are triangular in shape, two to six inches in length, and have twenty to twenty-five rounded teeth per side along the margin. Underside is smooth and a pale green. The petiole is distinctively flattened, making the leaf flap from side to side rather than up and down.
Twigs: The yellowish twigs are stout and contain a bitter aspirin taste.
Bark: Light gray-brown and smooth with shallow grooves on young trees. Mature trees have deep grooves with thick ridges and are light brown to ash-gray in color.
Flowers: This is a dioecious tree species. Both male and female flowers are pendulous catkins.
Fruit: Conical capsule 5 to 9 inches in length borne on pendent stalks, 8 to 12 inches long.
Similar Trees on the Florida 4-H Forest Ecology Contest List:


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