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Populus trichocarpa, the black cottonwood, [1] western balsam-poplar [2] or California poplar, is a deciduous broadleaf tree species native to western North America. It is used for timber , and is notable as a model organism in plant biology .
Populus simonii, Simon's poplar, Simon poplar, or Chinese cottonwood, is a species of poplar native to northeast China and to Mongolia, and commonly planted as a street tree in cool temperate areas of Europe. [2] There have been introductions into North America, South Africa, Australia and New Zealand.
Populus angustifolia, commonly known as the narrowleaf cottonwood, [2] is a species of tree in the willow family . It is native to western North America, where it is a characteristic species of the Rocky Mountains and the surrounding plains. [ 3 ]
Light burning is also been called "Paiute forestry," a direct but derogatory reference to southwestern tribal burning habits. [52] The ecological impacts of settler fires were vastly different than those of their Native American predecessors. Cultural burning practices were functionally made illegal with the passage of the Weeks Act in 1911. [53]
[1] [2] The sound is produced as the tree bark splits, with the wood contracting as the sap expands. [2] [3] John Claudius Loudon described this effect of cold on trees in his Encyclopaedia of Gardening, in the entry for frosts, as follows: 1. The history of frosts furnishes very extraordinary facts.
cow itch tree; primrose tree; Norfolk Island hibiscus; pyramid tree Malvaceae (mallow family) Thespesia: thespesia trees; Thespesia populnea: portia tree; milo Malvaceae (mallow family) Melastomataceae: melastome family; Tetrazygia: tetrazygia trees; Tetrazygia bicolor: Florida tetrazygia Melastomataceae (melastome family) Meliaceae: mahogany ...
Footloose highlights a 1984 conservative town that outlaws music, dancing and "sinful" books.The parallels are strikingly similar to today's surge of book bans across schools and libraries, says ...
The canyon floor near the point of origin is about 1,500 feet (457 m) wide. Fuels in the canyon included spruce, Douglas-fir, lodgepole pine and cottonwood trees at the canyon floor and Doug-fir, lodgepole, and ponderosa pine on the canyon slopes. [4] A single dead-end road follows the canyon upriver and leads to the Thirtymile Campground. [5]