Cottonwood young tree

Eastern cottonwood – Populus deltoides

Populus deltoides Marshall

Salicaceae (Willow family)

MI Status

Native

Life cycle

Fast-growing, weedy tree.

Leaves

Alternate, simple, broadly triangular, 3 to 5 inches long with coarse, incurved-toothed margins and a smooth base. Leaves are shiny green above and have two to five prominent, fingerlike glands where the long, flattened petiole attaches to the leaf. Margins are outlined by a colorless border.

Stems

Up to 100 feet at maturity with a straight trunk and minimal branching. Bark is ash gray on mature trees and greenish yellow on young stems. Plants have the ability to form many vigorous, weedy sprouts.

Flowers and fruit

Male and female flowers are found on separate plants and are clustered in drooping, up to 4-inch-long spikes. Male flowers are reddish; female flowers are greenish. Fruit are three- to four-valved capsules that release cottony, wind-disseminated seeds.

Reproduction

Seeds.

Cottonwood tree
Cottonwood tree
Cottonwood new growth
Cottonwood new growth
Cottonwood seeds
Cottonwood seeds
Cottonwood seedling
Cottonwood seedling
Cottonwood glands
Cottonwood glands

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