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- 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 are dark green in the summer and turn yellow in the fall (but many cottonwoods in dry locations drop their leaves early from the combination of drought and leaf rust, making their fall color dull or absent). It is dioecious, with the flowers 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: Populus deltoides subsp. deltoides. Eastern Cottonwood. Southeastern Canada, eastern United States. Populus deltoides subsp. monilifera (Aiton) Eckenw. Plains Cottonwood (syn. P. deltoides var. occidentalis Rydb. ; P. sargentii Dode). South central Canada, in the south of Alberta, Saskatchewan, and Manitoba, and central United States south to northern New Mexico and Texas. Populus deltoides subsp. wislizeni (S. Watson) Eckenw. Rio Grande Cottonwood (syn. P. wislizeni Sarg. ; P. fremontii var. wislizeni S. Watson). Southern Colorado south through Texas to northeastern Mexico, and west to Arizona (presence in California, listed by GRIN, is doubtful, not included in the Jepson Flora of California).
- Populus deltoides (Bartr. ) Marsh. est un peuplier originaire d'Amérique du Nord, de la famille des Salicaceae dont les feuilles sont triangulaires (comme un delta majuscule) d'où son nom vernaculaire de Peuplier deltoïde (Canada) ou Peuplier à feuille deltoïde mais cet arbre est aussi nommé liard (Canada), Peuplier de Virginie (Europe) ou encore Peuplier noir d'Amérique (Europe).
- De Amerikaanse populier of Amerikaanse zwarte populier (Populus deltoides) is een populierensoort uit de sectie Aegiros (zwarte populieren). De Amerikaanse populier komt van nature voor in Noord-Amerika en is rond 1750 voor het eerst ingevoerd in Frankrijk. De boom wordt gemiddeld 70 tot 100 jaar oud, maar ze kunnen onder goede groeiomstandigheden 200 tot 400 jaar oud worden. De oudste Amerikaanse populierenboom in de Verenigde Staten is de in 1699 geplante Balmville Tree.
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- 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.
- Populus deltoides (Bartr. ) Marsh. est un peuplier originaire d'Amérique du Nord, de la famille des Salicaceae dont les feuilles sont triangulaires (comme un delta majuscule) d'où son nom vernaculaire de Peuplier deltoïde (Canada) ou Peuplier à feuille deltoïde mais cet arbre est aussi nommé liard (Canada), Peuplier de Virginie (Europe) ou encore Peuplier noir d'Amérique (Europe).
- De Amerikaanse populier of Amerikaanse zwarte populier (Populus deltoides) is een populierensoort uit de sectie Aegiros (zwarte populieren). De Amerikaanse populier komt van nature voor in Noord-Amerika en is rond 1750 voor het eerst ingevoerd in Frankrijk. De boom wordt gemiddeld 70 tot 100 jaar oud, maar ze kunnen onder goede groeiomstandigheden 200 tot 400 jaar oud worden. De oudste Amerikaanse populierenboom in de Verenigde Staten is de in 1699 geplante Balmville Tree.
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