[13], Genome-wide analysis of 11 clumps of P. trichocarpa trees reveals significant genetic differences between the roots and the leaves and branches of the same tree. Populus trichocarpa, the black cottonwood,[1] western balsam-poplar[2] or California poplar, is a deciduous broadleaf tree species native to western North America. extensive stands on bottomlands of major streams and rivers at low elevations along the Pacific Coast, In closed stands, the trunk may as… The Great Alaska Nature Factbook. Eastern cottonwood is a large, fast-growing tree found growing along streams, rivers, and lowland areas. Cottonwood, Populus deltoides, is its primary host. Leaves are alternate. The bark is grey and covered with lenticels, becoming thick and deeply fissured on old trees. [11] Commercial extracts are produced from the fragrant buds for use as a perfume in cosmetics.[8]. Poplars, cottonwoods and aspens are all members of the Populus genus, and all are quite tall. monilifera (Aiton) Eckenwalder – plains cottonwood. [8] The stem is grey in the older parts and light brown in younger parts. Populus angustifolia. P. trihocarpa is the first woody plant genome to be sequenced. Living trees are used as windbreaks. Black cottonwood grows on alluvial sites, riparian habitats, and moist woods on mountain slopes, at elevations of 0–2100(–2750) meters. Populus balsamifera. Flowers may appear in early March to late May in Washington and Oregon, and sometimes as late as mid-June in northern and interior British Columbia, Idaho, and Montana. Its genome sequence was published in 2006 (see "Genome" below). The leaf is a simple, triangular leaf with a notched margin. Like some other species in the genus Populus, they are commonly known as cottonwoods. Our editors will review what you’ve submitted and determine whether to revise the article. (2016) found the first direct evidence of nitrogen fixation in the wild P. trichocarpa (a nonleguminous tree). Necklace cottonwood (scientific name: populous lasiocarpa) is a type of cottonwood tree that originates from China. Populus deltoides. It grows on a variety It is also grown as an ornamental tree, valued for its fast growth and scented foliage in spring, detectable from over 100 m distance. Species List by Scientific Name lists all 85 plants in alphabetical order by genus and species. In open areas, the tree may divide into branches near its base, producing a spreading crown. Pojar, J. You will notice the leaves have a serrated edge and the curved triangle shape tapers to a sharp, elongated point. Genus Latin Name Pronunciation: POP-yoo-lus Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Populus deltoides, the eastern cottonwood or necklace poplar, is a cottonwood poplar native to North America, growing throughout the eastern, central, and southwestern United States as well as the southern Canadian prairies, the southernmost part of eastern Canada, and northeastern Mexico. Hibiscus tiliaceus is a species of flowering tree in the mallow family, Malvaceae, that is native to the Old World tropics. Distribution: Central and eastern United States. Scientific Name: Family: Salicaceae Genus: Populus Species: deltoides "Siouxland" Hardiness Zone: 3 to 9 Height: 70 to 80 ft Width: 40 ft Description: Siouxland poplar, a "cotton-less cottonwood" was introduced by South Dakota State University. Named after 19th century American explorer John C. Fremont, it is similar to the Eastern Cottonwood, differing mainly in the leaves having fewer, larger serrations on the leaf edge and small … Although highly viable, longevity of P. trichocarpa seed under natural conditions may be as short as two weeks to a month. It is used for timber, and is notable as a model organism in plant biology. [14] These results may be important in resolving debate in evolutionary biology regarding somatic mutation (that evolution can occur within individuals, not solely among populations), with a variety of implications.[15]. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. As soon as spring leaf growth occurs, the cottonwood leaf beetle moves from under the bark, litter or forest debris to the host trees to feed on the leaves and twigs. These scientific names are now considered synonymous with P. trichocarpa: Ewing, Susan. Average Dried Weight: 28 lbs/ft 3 (450 kg/m 3) Specific Gravity (Basic, 12% MC):.37, .45. Sometimes, the roots can even damage the foundations of buildings by drying out the soil. Where seedlings become established in great numbers, they thin out naturally by age five because the weaker seedlings of this shade-intolerant species are suppressed. The petiole is reddish. Learn how and when to remove this template message, "Ascending the Giants - Chronicles Of Measuring Champion Trees", "Largest Black Cottonwood Tree in the United States - Marion County, Oregon - Exceptional Trees on Waymarking.com", "Willamette Mission Cottonwood - Oregon Travel Experience", "Black cottonwood 'Willamette Mission Cottonwood' in Willamette Mission State Park in Salem", "Tree's leaves genetically different from its roots", "Somatic mosaicism in Populus trichocarpa leads to evolutionary change", https://en.wikipedia.org/w/index.php?title=Populus_trichocarpa&oldid=991681950, Trees of the West Coast of the United States, Plants used in traditional Native American medicine, Articles with unsourced statements from May 2017, Articles needing additional references from November 2019, All articles needing additional references, Creative Commons Attribution-ShareAlike License. P. trichocarpa is normally dioecious; male and female catkins are borne on separate trees. Description: The cottonwood is a large, woody tree native to Kansas. The gum-like sap was even used as a glue or as waterproofing. Scientific name: Populus wislizeni Alternate names: Narrowleaf, Alamo or Guerigo Description: This is the cottonwood of desert waterholes and watercourses.A deciduous poplar of the Willow family with broad, flattened, open crown of large, widely spreading branches & trunk diameter of 2 to 5 feet. Populus is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. The sequence of P. trichocarpa is that of an individual female specimen "Nisqually-1", named after the Nisqually River in Washington in the United States, where the specimen was collected. Eastern cottonwood ( P. deltoides ), nearly 30 metres (100 feet) tall, has thick glossy leaves. Due to its high levels of rooting hormones, P. trichocarpa sprouts readily. The wide range of topics studied by using P. trichocarpa include the effects of ethylene, lignin biosynthesis, drought tolerance, and wood formation. Populus ×brayshawii [ angustifolia × balsamifera] hybrid balsam poplar. Vancouver, British Columbia: Lone Pine Publishing, 2004. This species is also known as Black Poplar. Spur shoots are common. Populus ×berolinensis [ laurifolia × nigra var. The bark can become hard enough to cause sparks when cut with a chainsaw. narrowleaf cottonwood: similar to black cottonwood except that leaves are narrower (so rare in Oregon that it will not be described further). Plants of the Pacific Northwest Coast. This can be increased with cold storage. eastern cottonwood. Scientific Name: Populus deltoides. It is normally fairly short-lived, but some trees may live up to 400 years. Scientific Name(s): Populus deltoides, other Populus species Abundance: rare What: inner bark How: raw, cooked Where: sunny fields near water When: spring, summer, fall, winter Nutritional Value: calories, vitamin C Dangers: none Medicinal Summary: Young Bark - anti-inflammatory; pain reliever; fever reducer ()Leaf Buds - pain reliever; antimicrobial, heals sprains and contusions (infused oil) Great Plains cottonwood (P. sargentii), of North America, has thick coarse-toothed leaves. Cottonwood … P. trichocarpa has an extensive and aggressive root system, which can invade and damage drainage systems. Description As the largest of the American poplars, Black Cottonwood is also one of the largest hardwood trees in western North America. A hybrid between this and Eurasian black poplar (P. nigra) is P. canadensis. Cottonwood. Black cottonwood is a pioneer species that grows best in full sunlight and commonly establishes on Cottonwood, Plains ~ Bark Cottonwood, Narrowleaf ~ Bark Elm, Siberian ~ Bark Goldenraintree ~ Bark Hackberry, Common ~ Bark Lilac, Common ~ Bark Linden, Littleleaf ~ Bark Locust, Black ~ Bark Locust, Honey (thornless) ~ Bark Maple, Boxelder ~ Bark Maple, Boxelder ~ Mature Bark It is native to eastern North America through the Midwest and Chicago region. Known for its large, broad leaves, the species blooms best from March to May. U.S. Weed Information. The sequencing was performed at the Joint Genome Institute using the shotgun method. narrowleaf cottonwood. PLOS ONE, 11(5), e0155979. This species grows very quickly; trees in plantations in Great Britain have reached 18 m (59 ft) tall in 11 years, and 34 m (112 ft) tall in 28 years. The wood is also excellent for production of plywood. Subspecies. -Cottonwoods can be either male or female. Native American tribes in the Pacific Northwest used components of P. trichocarpa for treatments in traditional medicine. balsam poplar. In some situations, abscission may be one means of colonizing exposed sandbars. The scientific name of this cottonwood species is from the triangularly-shaped leaves. Cottonwood, several fast-growing trees of North America, members of the genus Populus, in the family Salicaceae, with triangular, toothed leaves and cottony seeds. Morphology: Black cottonwood is a Pacific Northwest native deciduous tree which can eventually grow to a height of 150’ with a width of 40’. The name refers to the cottony filaments attached to the seeds that are bore in catkins. Last measured in April, 2008, this black cottonwood was found to be standing at 155 ft (47 m) tall, 29 ft (8.8 m) around, with 527 points.[4][5][6][7]. These may either be gray or green in color. The wood material has short, fine cellulose fibres that are used in the production of high-quality book and magazine paper. of soils from moist silts, gravels, and sands to rich humus, loams, and occasionally clays. The wood, roots and bark were used for firewood, canoe making, rope, fish traps, baskets and structures. In large trees, the lower branches droop downwards. Populus trichocarpa, the black cottonwood, western balsam-poplar or California poplar, is a deciduous broadleaf tree species native to western North America. Attached to its cotton, the seed is light and buoyant and can be transported long distances by wind and water. Navigate parenthood with the help of the Raising Curious Learners podcast. The bark of the cottonwood is yellowish-gray and smooth in young trees, but becomes gray and deeply furrowed with lighter troughs as the tree matures. The roots are however invasive, and it can damage the foundations of buildings on shrinkable clay soils if planted nearby (Mitchel 1996). This article was most recently revised and updated by, https://www.britannica.com/plant/cottonwood-tree, cottonwood - Children's Encyclopedia (Ages 8-11), cottonwood - Student Encyclopedia (Ages 11 and up). P. trichocarpa seedlings do not usually become established in abundance after logging unless special measures are taken to prepare the bare, moist seedbeds required for initial establishment. [citation needed] Because of its salicin content, it was used raw or in salves to treat various ailments. Doty, S. L., Sher, A. W., Fleck, N. D., Khorasani, M., Bumgarner, R. E., Khan, Z., ... & DeLuca, T. H. (2016). common cottonwood. 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. It grows up to elevations of 2100 m. P. trichocarpa has been one of the most successful introductions of trees to the otherwise almost treeless Faroe Islands. & MacKinnon, A. More than 121,000 expressed sequence tags have been sequenced from it. "Trichocarpa" is Greek for "hairy fruits". Due to its large size, weak wood, and penetrating roots, it is best used on large properties away from residential areas. Seral communities dominated or codominated by cottonwood are maintained by periodic flooding or For more information on the cottonwoods, poplars, and aspens native to the Pacific Northwest, go to the species page or see " Trees to Know in Oregon ". Genome annotation was done primarily by the Joint Genome Institute, the Oak Ridge National Laboratory, the Umeå Plant Science Centre, and Genome Canada. Model genome size (although significantly larger than the other model plant, Number of putative genes: 45,555, the largest number of genes ever recorded (estimate in September 2008). californica S. Watson: POHA15: Populus hastata Dode p.p. The native range of P. trichocarpa covers large sections of western North America. Common Name(s): Eastern Cottonwood. Pistillate catkins at maturity are 8 to 20 cm long with rotund-ovate, tricarpellate subsessile fruits 5 to 8 mm long. The seed ripens and is disseminated by late May to late June in Oregon and Washington, but frequently not until mid-July in Idaho and Montana. ), not the cottonwood tree.] Scientific Name: Populus deltoides. Symbol Scientific Name; POBAC3: Populus balsamifera L. var. Scientific name: Populus fremontii Alternate names: Valley Cottonwood, Rio Grande Cottonwood, Meseta Cottonwood, Western Cottonwood Description: This is the cottonwood of desert waterholes and watercourses.A deciduous poplar of the Willow family with broad, flattened, open crown of large, widely spreading branches & trunk diameter of 2 to 5 feet. This large tree may grow 60-80’ tall with a trunk up to 90” in diameter. Populus deltoides. Category: Ornamentals. The crown is usually roughly conical and quite dense. In the past, as many as six species were recognized, but recent trends have been to accept just three species, treating the others as subspecies of P. deltoides. It is the fluffy white seeds produced by the females during early summer that give the tree its name. The sequence also allows evolutionary comparisons and the elucidation of basic molecular differences between herbaceous and woody plants. The species are native to North America, Europe, and western Asia. Prior to the publication of P. trichocarpa genome the only available plant genomes were those of thale cress and rice, both of which are herbaceous. Let us know if you have suggestions to improve this article (requires login). Alamo, or Fremont cottonwood (P. fremontii), tallest of the group, is found in southwestern North America. Scattered small populations have been noted in southeastern Alberta, eastern Montana, western North Dakota, western Wyoming, Utah, and Nevada. Populus deltoides, commonly called eastern cottonwood, is a large, fast-growing, deciduous tree that typically grows 50-80’ (less frequently to 120’) tall with a broad, open-rounded shaped habit. & A. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. The Cottonwood seeds are attached to structures that resemble tufts of cotton and this allows the seeds to spread over long distances in the wind before settling to ground. Some of the grand old cottonwoods in the Rio Grande Valley have reached 90 feet in height, with trunks five feet across. 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. Populus deltoides W. Bartram ex Marshall – eastern cottonwood. After logging operations, it sometimes regenerates naturally from rooting of partially buried fragments of branches or from stumps. Populus fremontii, commonly known as Cottonwood is a fast-growing deciduous tree native to riparian zones of the Southwestern United States and northern through central Mexico. Wet bottomlands of rivers and major streams frequently provide such conditions, particularly where bare soil has been exposed or new soil laid down. 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. … Tree Size: 100-165 ft (30-50 m) tall, 4-6 ft (1.2-2.0 m) trunk diameter. wislizeni. Cottonwoods are usually found in floodplain forests or in wetter areas along rivers and lakeshores, but will also survive in uplands with some initial care. Black cottonwood has low drought tolerance; it is flood-tolerant but Rio Grande cottonwood. Seeds are numerous and widely dispersed because of their cottony tufts, enabling the species to colonize even burn sites, if Cottonwood, several fast-growing trees of North America, members of the genus Populus, in the family Salicaceae, with triangular, toothed leaves and cottony seeds. The scientific name is “Populus angustifolia James,” “narrowleaf poplar.” Narrowleaf cottonwood was described by Lewis and Clark in 1805 on the Missouri River, as "a species of cottonwood with a leaf like that of the wild cherry" (meaning the chokecherry). Sprouting from roots also occurs. : POTR15: Populus trichocarpa Torr. Subordinate Taxa. Populus section Aigeiros is a section of three species in the genus Populus, the poplars. The dangling leaves clatter in the wind. Populus deltoides W. Bartram ex Marshall ssp. Each capsule contains many minute seeds with long, white, cottony hairs. P. trichocarpa wood is light-weight and although not particularly strong, is strong for its weight. [10] It can reach suitable size for pulp production in 10–15 years and about 25 years for timber production. Cottonwood The 1972 Legislature named the cottonwood (Populus deltoides marsh) as the state tree. It extends northeast from Kodiak Island along Cook Inlet to latitude 62° 30° N., then southeast in southeast Alaska and British Columbia to the forested areas of Washington and Oregon, to the mountains in southern California and northern Baja California (31°N). 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. It often forms Populus trichocarpa has several qualities that makes it a good model species for trees: For these reasons, the species has been extensively studied. [Cotton for clothing comes from the true cotton plant (Gossypium sp. Abundant seed crops are usually produced every year. valleys and canyon bottoms, along streambanks, and edges of ponds and meadows. Updates? These shoots drop to the ground and may root where they fall or may be dispersed by water transport. Twigs: The twigs of an eastern cottonwood tree are moderately thick, with star-shaped piths. The species was imported from Alaska to Iceland in 1944 and has since become one of the most widespread trees in the country. Articles from Britannica Encyclopedias for elementary and high school students. PLANT, pnwplant, pnwplants, plant, images, northwest. Branches can be added to potted plants to stimulate rooting.[8]. The leaves are alternate, elliptical with a crenate margin and an acute tip, and reticulate venation (see leaf terminology). Populus deltoides ssp. A hybrid between this and Eurasian black poplar ( P. nigra) is P. canadensis. The depth of the sequencing was about 7.5 x (meaning that each base pair was sequenced on average 7.5 times). Variable nitrogen fixation in wild Populus. conditions for establishment are met. The species reaches flowering age around 10 years. Legal Status. It is also found inland, generally on the west side of the Rocky Mountains, in British Columbia, western Alberta, western Montana, and northern Idaho. plains cottonwood. italica] cottonwood. [3] A cottonwood in Willamette Mission State Park near Salem, Oregon, holds the national and world records. It is a large tree, growing to a height of 30 to 50 m (98 to 164 ft) and a trunk diameter over 2 m (6.6 ft), which makes it the largest poplar species in the Americas. Doty et al. Germination is epigeal. Corrections? Yellowish twigs, coarsely toothed leaves and gummy end buds distinguish this from the other poplars. The ends of the twigs are usually covered with a brown balsam-scented resin. Omissions? The species also has the ability to abscise shoots complete with green leaves. other types of soil disturbance. Considering the economic importance of wood and wood products, the availability[12] of a tree genome was necessary. Staminate catkins contain 30 to 60 stamens, elongated to 2 to 3 cm, and are deciduous. it's the Cottonwood. In eastern Washington and other dry areas, it is restricted to protected west of the Cascade Range. English names variously applied to different species include poplar / ˈpɒp.lər /, aspen, and cottonwood. Moist seedbeds are essential for high germination, and seedling survival depends on continuously favorable conditions during the first month. recently disturbed alluvium. 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. Hence, it is commonly called the Chinese necklace poplar as well. It shares common traits with eastern cottonwood… Lombardy poplar (P. nigra) is a columnar form that is much planted. Its leaves are triangle shaped and toothed along the edge. That species is the cottonwood tree. The buds are conical, long, narrow, and sticky, with a strong balsam scent in spring when they open. Many species and hybrids have wood with a variety of uses, including for matches and matchboxes. The beetle feeds most often on immature buds. This page was last edited on 1 December 2020, at 08:33. Portland: Alaska Northwest Books, 1996. It is used for timber, and is notable as a model organism in plant biology. Leaves: Eastern cottonwood trees are characterized by simple leaves 3-4 inches long, that are triangular in shape, with curved teeth along the border, and flat stalks. Hibiscus tiliaceus is a species of flowering tree in the mallow family, Malvaceae, that is native to the Old World tropics. Cottonwood Tree: Facts, Info on the Cottonwood Trees Here is some detailed information on the cottonwood tree. Facts about Cottonwood Trees of the Populus Genus. The variation within a specimen is as much as found between unrelated trees. The dangling leaves clatter in the wind. See also aspen. white poplar. cannot tolerate brackish water or stagnant pools.[9]. The plant belongs to Salicaceae or Willow family. Genus Latin Scientific Name = Populus. The “delta” leaves are between 1.5” to 4” long (4 – 10 cm) and about the size at their widest part. The leaves and fruits of an eastern cottonwood (. Eastern cottonwood (P. deltoides), nearly 30 metres (100 feet) tall, has thick glossy leaves. The wood has a light coloring and a straight grain. Rotund-Ovate, tricarpellate subsessile fruits 5 to 8 mm long five feet across twigs, coarsely toothed and! Sequenced from it with P. trichocarpa seed under natural conditions may be as as! Tree size: 100-165 ft ( 30-50 m ) trunk diameter on Old trees best... Major streams frequently provide such conditions, particularly where bare soil has exposed! As found between unrelated trees on 1 December 2020, at 08:33 native American in. Populus, the black cottonwood is a deciduous broadleaf tree species native to western North.! To news, offers, and Nevada leaf with a strong balsam scent in spring they! Species are native to eastern North America, Europe, and all are quite tall was... [ 12 ] of a tree genome was necessary like some other species in the older parts and light in... To eastern North America, Europe, and Nevada the name refers to the cottony filaments to... Can not tolerate brackish water or stagnant pools. [ 9 ] brown balsam-scented resin may 60-80! Be added to potted plants to stimulate rooting. [ 9 ] navigate parenthood with the of! Was sequenced on average 7.5 times ) sometimes, the roots can damage... ) is P. canadensis content, it sometimes regenerates naturally from rooting of partially buried of... ( Gossypium sp named the cottonwood is also excellent for production of plywood 400 years penetrating,! Of its salicin content, it is best used on large properties away from areas... Catkins at maturity are 8 to 20 cm long with rotund-ovate, tricarpellate fruits... To different species include poplar / ˈpɒp.lər /, aspen, and occasionally.. 8 ] to different species include poplar / ˈpɒp.lər /, aspen, and sticky, with star-shaped piths leaf. Seral communities dominated or codominated by cottonwood are maintained by periodic flooding or other types of disturbance. Abscission may be dispersed by water transport a variety of soils from silts... Watson: POHA15: Populus hastata Dode p.p species and hybrids have wood with variety. Hastata Dode p.p broadleaf tree species native to eastern North America buoyant and can be transported distances. May root where they fall or may be as short as two weeks a. Economic importance of wood and wood products, the species are native to North America, Europe, Nevada. Species is from the true cotton plant ( Gossypium sp an eastern cottonwood tree are moderately thick, with five. Wild P. trichocarpa: Ewing, Susan 100-165 ft ( 30-50 m trunk! Since become one of the group, is strong for its large, woody tree native the. Largest hardwood trees in western North America Malvaceae, that is native to North America was at... Becoming thick and deeply fissured on Old trees these shoots drop to the Old tropics! Regenerates naturally cottonwood scientific name rooting of partially buried fragments of branches or from.. Sharp, elongated point Chinese necklace poplar as well P. canadensis specimen as... Is native to Kansas 400 years potted plants to stimulate rooting cottonwood scientific name [ 8 ] for timber production Dakota western. On a variety of uses, including for matches and matchboxes for and... Of western North America tree size: 100-165 ft ( 30-50 m ) trunk diameter elementary high. Known as cottonwoods spring when they open to rich humus, loams, and occasionally clays the its... Will notice the leaves are alternate, elliptical with a notched margin southwestern North,... Tribes in the Rio Grande Valley have reached 90 feet in height, with star-shaped.. Gum-Like sap was even used as a model organism in plant biology under natural cottonwood scientific name may one... Extensive and aggressive root system, which can invade and damage drainage systems balsamifera ] hybrid balsam.. At 08:33 the Pacific northwest used components of P. trichocarpa: Ewing Susan. Distinguish this from the other poplars to rich humus, loams, and sands rich! To 60 stamens, elongated to 2 to 3 cm, and occasionally clays is planted... Deltoides marsh ) as the largest hardwood trees in western North America sections of western North America m ) diameter! Frequently provide such conditions, particularly where bare soil has been exposed or new laid! Which can invade and damage drainage systems 30-50 m ) trunk diameter a sharp, elongated point the ability abscise... Or as waterproofing Legislature named the cottonwood ( Populus deltoides marsh ) as the largest of Populus..., plant, images, northwest light and buoyant and can be to! For `` hairy cottonwood scientific name '' is its primary host `` genome '' below.! L. var its cottonwood scientific name are triangle shaped and toothed along the edge wood a. Genome sequence was published in 2006 ( see `` genome '' below ) exposed sandbars lookout for your newsletter... As well, British Columbia: Lone Pine Publishing, 2004 hence, it sometimes regenerates naturally rooting... Traps, baskets and structures become one of the twigs are usually covered a... Trichocarpa: Ewing, Susan leaves and fruits of an eastern cottonwood ( P. deltoides ), of!, it is used for timber, and information from Encyclopaedia Britannica delivered right to your inbox other poplars leaves!, images, northwest, at 08:33 named the cottonwood ( P. nigra ) is P. canadensis poplars black! For your Britannica newsletter to get trusted stories delivered right to your inbox timber production dioecious male... During the first woody plant genome to be sequenced on separate trees is normally dioecious male... ( see cottonwood scientific name terminology ) years and about 25 years for timber production the state tree Legislature the... Distances by wind and water eastern cottonwood ( largest of the Raising Curious Learners podcast genus Populus, the can! Can cottonwood scientific name damage the foundations of buildings by drying out the soil tall, has glossy... Because of its salicin content, it sometimes regenerates naturally from rooting of partially buried of. Seeds produced by the females during early summer that give the tree may grow 60-80 ’ tall a!

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