Necklace cottonwood (scientific name: populous lasiocarpa) is a type of cottonwood tree that originates from China. A hybrid between this and Eurasian black poplar (P. nigra) is P. canadensis. "Trichocarpa" is Greek for "hairy fruits". Category: Ornamentals. It is also grown as an ornamental tree, valued for its fast growth and scented foliage in spring, detectable from over 100 m distance. Eastern cottonwood ( P. deltoides ), nearly 30 metres (100 feet) tall, has thick glossy leaves. The petiole is reddish. The Fremont Cottonwood, also known as the Western Cottonwood or the Rio Grande Cottonwood, Populus fremontii, occurs in California east to Utah and Arizona and south into northwest Mexico. Cottonwood The 1972 Legislature named the cottonwood (Populus deltoides marsh) as the state tree. The species are native to North America, Europe, and western Asia. These shoots drop to the ground and may root where they fall or may be dispersed by water transport. Sprouting from roots also occurs. Living trees are used as windbreaks. Subordinate Taxa. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. This can be increased with cold storage. The roots are however invasive, and it can damage the foundations of buildings on shrinkable clay soils if planted nearby (Mitchel 1996). Due to its high levels of rooting hormones, P. trichocarpa sprouts readily. Populus deltoides. Cottonwood Tree: Facts, Info on the Cottonwood Trees Here is some detailed information on the cottonwood tree. The wood material has short, fine cellulose fibres that are used in the production of high-quality book and magazine paper. Populus section Aigeiros is a section of three species in the genus Populus, the poplars. You will notice the leaves have a serrated edge and the curved triangle shape tapers to a sharp, elongated point. The leaves are 7–20 cm long with a glossy, dark green upper side and glaucous, light grey-green underside; larger leaves, up to 30 cm long, may be produced on stump sprouts and very vigorous young trees. Vancouver, British Columbia: Lone Pine Publishing, 2004. The wood has a light coloring and a straight grain. Facts about Cottonwood Trees of the Populus Genus. Populus balsamifera. The Rio Grande cottonwood, a welcome sight to pioneers in the desert because it often signaled water, typically reaches 50 to 60 feet in height, with a trunk of three feet in diameter. The wood, roots and bark were used for firewood, canoe making, rope, fish traps, baskets and structures. Cottonwood, several fast-growing trees of North America, members of the genus Populus, in the family Salicaceae, with triangular, toothed leaves and cottony seeds. More than 121,000 expressed sequence tags have been sequenced from it. Populus deltoides ssp. Pojar, J. wislizeni. [11] Commercial extracts are produced from the fragrant buds for use as a perfume in cosmetics.[8]. Its genome sequence was published in 2006 (see "Genome" below). Populus deltoides W. Bartram ex Marshall – eastern cottonwood. Omissions? (2016) found the first direct evidence of nitrogen fixation in the wild P. trichocarpa (a nonleguminous tree). & MacKinnon, A. valleys and canyon bottoms, along streambanks, and edges of ponds and meadows. [Cotton for clothing comes from the true cotton plant (Gossypium sp. One of the cultivated male varieties, “Straight Plains” or ‘Jeronimus’ cottonwood keeps a straight main leader, is tolerant of many soil types and conditions, and can make a nice shade tree in landscapes that provide enough room for this tree to mature. Description As the largest of the American poplars, Black Cottonwood is also one of the largest hardwood trees in western North America. Yellowish twigs, coarsely toothed leaves and gummy end buds distinguish this from the other poplars. Distribution: Central and eastern United States. Each capsule contains many minute seeds with long, white, cottony hairs. conditions for establishment are met. The wood is also excellent for production of plywood. The Species List by Common Name is an alphabetical listing of woody plant species within each of the four size categories: shrubs, small trees, medium-tall trees, and conifers. In eastern Washington and other dry areas, it is restricted to protected Common Name(s): Eastern Cottonwood.

cottonwood scientific name

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