Everything about The Eastern Cottonwood totally explained
The
Eastern Cottonwood (
Populus deltoides) is a
cottonwood poplar native to
North America, growing throughout the eastern, central, and southwestern
United States, the southernmost part of eastern
Canada, and northeastern
Mexico.
It is a large
tree growing to 20–40 m tall and with a trunk up to 1.8 m diameter, one of the largest North American
hardwood trees. The
bark is silvery-white, smooth or lightly fissured when young, becoming dark gray and deeply fissured on old trees. The twigs are grayish-yellow, stout, with large triangular leaf scars. The winter buds are slender, pointed, 1–2 cm long, yellowish brown, and resinous. The
leaves are large, deltoid (triangular), 4–10 cm long and 4–11 cm broad with a truncated (flattened) base and a 3–12 cm long, flat petiole; they're dark green in the summer and turn yellow in the fall. It is
dioecious, with the
flowers (
catkins) produced on single-sex trees in early spring. The male (pollen) catkins are reddish-purple, 8–10 cm long; the female catkins are green, 7–13 cm long at pollination, maturing 15–20 cm long with several 6–15 mm seed capsules in early summer, which split open to release the numerous small
seeds attached to
cotton-like strands.
There are three
subspecies:).
Ecology
It needs bare soil and full sun for successful germination and establishment; in natural conditions, it usually grows near
rivers, with mud banks left after
floods providing ideal conditions for seedling germination; human soil cultivation has allowed it to increase its range away from such habitats.
[
The leaves serve as food for caterpillars of various Lepidoptera. See List of Lepidoptera that feed on poplars.]
Further Information
Get more info on 'Eastern Cottonwood'.
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