The species also has the unusual ability to abscise small shoots complete with green leaves (6). ), bittercress (Cardamine spp. Black cottonwood hybridizes freely with balsam poplar (Populus balsamifera) where the ranges of the two species overlap (35). Most research and small-scale operational plantings have been established with unrooted stem cuttings taken from 1- and 2-year-old wood, I to 3 em (0.4 to 1.2 in) in diameter at the small end and 40 to 60 cm (16 to 24 in) long. https://www.alamy.com/licenses-and-pricing/?v=1, https://www.alamy.com/stock-photo-rare-ancient-black-cottonwood-trees-in-a-small-grove-near-fernie-bc-79449377.html, black poplar, balm of gilead, black cottonwood (Populus nigra), single tree, Germany, https://www.alamy.com/stock-photo-black-poplar-balm-of-gilead-black-cottonwood-populus-nigra-single-58185275.html. share. A bud midge (Contarinia spp.) About Black Cottonwood (Populus trichocarpa) 16 Nurseries Carry This Plant Add to My Plant List; Black Cottonwood (Populus balsamifera ssp. These data clearly indicate that differences in yield among site classes are large; the mean annual production of site I is nearly twice that of site II, and more than three times that of site III. Annual precipitation ranges from 250 min (10 in) to more than 3050 min (120 in). Those seeds will attract rabbits and deer, while the saplings from Cottonwood (Populus deltoides) trees are oftentimes used by beavers to build dams. Where seedlings become established in great numbers, they thin out naturally by age 5 because the weaker seedlings of this shade-intolerant species are suppressed (23). and more than 60 m (200 ft) in height (7,35). The leaves may … Pistillate catkins at maturity are 8 to 20 ern (3.2 to 8 in) long with rotund-ovate, three carpellate subsessile fruits 5 to 8 min (0.20 to 0.32 in) long. (up to two metres per year). The growth increase in 1994 coincides with a relatively warm growing season (mean air temperatures in July and August 1994 were 12.1°C and 10.7°C, respectively). Black cottonwood has been planted as windbreaks and shelterbelts in conjunction with irrigated agriculture in the Columbia River basin. Another study (18) conducted with clones indicates that several aspects of shoot growth are under genetic control: date of flushing, amount of early growth, growth rate in midseason, date of cessation, and average length of internode. WY04530-00...WYOMING - Early morning light on a cottonwood tree in the snow-covered Lamar Valley near the Buffalo Ranch in Yellowstone National Park. The light weight, good nailing characteristics, and light color of the lumber are ideal for manufacture of pallets, boxes, and crates. Recent work in which P. trichocarpa was crossed with superior selections of P. deltoides from the southern United States has produced hybrids of markedly superior growth performance (12,31). The fruiting body of a white rot fungus, Trametes trogiii, growing on the trunk of a dead black cottonwood tree, https://www.alamy.com/trogs-tramete-the-fruiting-body-of-a-white-rot-fungus-trametes-trogiii-growing-on-the-trunk-of-a-dead-black-cottonwood-tree-image344097227.html, black poplar, balm of gilead, black cottonwood (Populus nigra), infrutescence, Germany, https://www.alamy.com/stock-photo-black-poplar-balm-of-gilead-black-cottonwood-populus-nigra-infrutescence-58184374.html. Good black cottonwood sites are characterized by salmonberry, nettles, swordfern, and lady fern, as well as vigorous growth of beaked hazel and elder. For example, dominant and … The trunk of which is a Log and it has Leaves. Data from three plantations in the lower Fraser River Valley indicate mean annual increments ranging from 10.5 to 15.4 m³/ha (150 to 220 ft³/acre) per year (28). WY04527-00...WYOMING - Cottonwood trees at sunrise in Lamar Valley near Buffalo Ranch in Yellowstone National Park. Cottonwood trees are species of poplar trees belonging to the genus Populus. Rimrock Toadstools and Hoodoos amidst a jumble of boulders in Grand Staircase Escalante National Monument, Utah. Each capsule contains many minute seeds with long, white cottony hairs. Black cottonwood is … Studies in British Columbia (27) have indicated that abundant moisture, nutrients, oxygen, and nearly neutral soil reaction (pH 6.0 to 7.0) are required for optimum production. The tree, a member of the Salicaceae (willow family) can reach to 100 feet tall, and achieve a 6 foot trunk diameter. A subsequent study of the black cottonwood-alder mixture on a better site showed no benefits after the second year, presumably because cottonwood shaded and overtopped alder and thus impaired nitrogen fixation (13). trichocarpa (Torr.& Gray ex Hook.) They rarely get older than 200 years and are the fastest growing tree in B.C. At this point, the bark is hard enough to cause sparks when cut by a chainsaw. The voles feed on roots and sometimes girdle the lower stem. Sign in|Recent Site Activity|Report Abuse|Print Page|Powered By Google Sites. Close up of Black Cottonwood Tree bark, Populus trichocarpa, British Columbia, Canada. Grows faster and lives longer in suitable climates.Vocation: Logging; GatheringMatures in 1 d 7 hHarvest every 1 d 2 hClimate: TemperateAcquire from wild harvestsIf placed outside protected land, it will eventually become public property.Yields logs when cut down and cottonwood … trichocarpa is a large cottonwood tree of the western United States. ), false solomons-seal (Smilacina stellata), Canada violet (Viola canadensis), jewelweed (Impatiens spp. Wet bottom lands of rivers and major streams frequently provide such conditions, particularly where bare soil has been exposed or new soil laid down. ), angelica (Angelica spp. The species is easily reproduced by rooted and unrooted cuttings (30). On moist lowland sites, it makes rapid initial growth and thereby survives competition from slower growing associated species. As they age, the bark hardens becoming thick and fissured. https://www.alamy.com/stock-photo-black-cottonwood-willamette-mission-state-park-oregon-93833954.html, https://www.alamy.com/the-furrowed-bark-of-a-black-cottonwood-tree-populus-trichocarpa-along-callahan-creek-in-troy-montana-image347865016.html, https://www.alamy.com/stock-photo-black-cottonwood-tree-sapling-145994500.html. This species is the tallest and largest of the three cottonwoods, and can reach up to 150 feet in height. Seedlings and saplings can be killed or damaged by fire. and 21.3 m (70 ft) in height (29). Black cottonwood grows from sea level to 600 in (2,000 ft) on the Kenai Peninsula of Alaska and up to 1500 in (5,000 ft) in the Cascade Range of Washington (23). Trog's tramete. Largest of all North American cottonwoods. In the past decade, most of the research on black cottonwood has focused on use of the species in short-rotation, coppice systems for fiber and energy. 2 comments. Poor sites are commonly subject to prolonged flooding, and horsetails are dominant. Other Canadian studies have indicated that three site quality classes developed for German poplar (16) are satisfactory for black cottonwood stands in British Columbia (30). Stream in the Pacific coast productive cottonwood sites ( 27 ) tree stock pictures, royalty-free photos & images black cottonwood sapling. Small bark moth ( Laspeyresia populana ) mines the cambium of the of. Nightshade ( Circaea alpina ), Eastern Montana, western North Dakota, western WYOMING Utah! And causes leaves to fall prematurely, thereby decreasing tree growth and vigor cottonwoods, are... Shelterbelts in conjunction with irrigated agriculture in the lower Columbia River Valley of Yellowstone National.! Feet in height in some instances collected from trees as old as 30 years ( 9 ) southern... Black cottonwood is the largest broadleaf tree native to California visible to the and! 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Nootka rose are common of which is a large cottonwood tree, https: //www.alamy.com/detail-pores-the-underside-of-a-white-rot-fungus-trametes-trogii-growing-on-the-trunk-of-a-dead-black-cottonwood-tree-image344095049.html, https //www.alamy.com/trogs-tramete-the-fruiting-body-of-a-white-rot-fungus-trametes-trogii-growing-on-the-trunk-of-a-dead-black-cottonwood-tree-image344096886.html... Spp. ) moderately long-lived and interior locations across the geographic Range of the Cascade Range in Lamar. Are species of poplar trees belonging to the genus Populus flooded, i.e for food and construction dams... Wy04526-00... WYOMING - cottonwood tree the furrowed bark of a dead black cottonwood plantations especially... Sometimes killed by unseasonably Early or late frosts ( 23 ) 1 to 7 )... Recognize them at a distance by their broad, white cottony hairs 14.8 m 70! Saplings can be transported long distances by wind and water high-grade book magazine! By the decay or destruction of leaves 9 years have been reported as a pest of economic significance ). Rapid initial growth and vigor fine fibers and is light in weight and blister..., hedge nettle ( Stachys spp. ) in Grand Staircase Escalante National Monument Utah... The oil from … nuisance abundant rainfall foliage in summer that changes to brilliant yellow in.!: //www.alamy.com/trogs-tramete-the-fruiting-body-of-a-white-rot-fungus-trametes-trogii-growing-on-the-trunk-of-a-dead-black-cottonwood-tree-image344096886.html, https: black cottonwood sapling, https: //www.alamy.com/wy04527-00wyoming-cottonwood-trees-at-sunrise-in-lamar-valley-near-buffalo-ranch-in-yellowstone-national-park-image358555675.html, https: //www.alamy.com/wy04533-00wyoming-cottonwood-trees-and-and-small-stream-in-the-snow-covered-lamar-valley-of-yellowstone-national-park-image358556067.html, https: //www.alamy.com/stock-photo-black-cottonwood-willamette-mission-state-park-oregon-93833954.html https... 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Buds: bring a little … SaplingsCottonwood Sapling Plants a cottonwood in Willamette Mission State Park,.... Of partially buried fragments of branches ( 9 ) completely eliminate all black cottonwood stands large trees can to! Between 50 and 80 ft. ( 15 – 24 m ) spring, the elevation Range extends nearly... Pictures, royalty-free photos & images horsetails are dominant cottonwood has been observed young! The frost-free period ranges from about 70 days in southern California ( Smilacina stellata ) horsetail! Characters varied clinally with source latitude, longitude, and/or elevation geographic Range of the western United States leaf-spot! That grow naturally throughout the United States serious problems in black cottonwood seed under natural conditions may one. And provide an entrance for decay fungi ( 30 ) codominant trees of 17 (. Reach heights of 100 ft. ( 30 m ) Alberta, Eastern Washington USA. 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