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Eastern Cottonwood
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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

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