Colorado's major tree species include bristlecone pine, Colorado blue spruce, Douglas-fir, Engelmann spruce, limber pine, lodgepole pine, narrowleaf cottonwood, quaking aspen, piñon pine, plains cottonwood, ponderosa pine, Rocky Mountain juniper, subalpine fir and white fir. Leaf Attachment. A selection of Plains Cottonwood with a straight central leader and a pyramidal habit that matures to a broad rounded form. There are 3 recognized subspecies in North America: subsp. Plains Cottonwood Facts. Also, the edge (margin) of the latter is deeply notched (crenelated), while that of the angustifolia is less so, and the balsamifera's is smooth. An email address is required, but will not be posted—it will only be used for information exchange between the 2 of us (if needed) and will never be given to a 3rd party without your express permission. petiolate. Wyoming designated the plains cottonwood as official state tree in 1947. Neither the flowers nor the fruit are ornamentally significant. The only obvious distinction is that eastern trees often have larger leaves, sometimes over 7 inches in leaf blade length. SCIENTIFIC NAME: Populus angustifolia FAMILY: Salicaceae This tree in Colorado Narrowleaf cottonwood is large shade tree native to the high plains and higher elevations (up to 10,000′) of the Colorado and other Rocky Mountain states. Buds are large, round and conical with a sharp point, the terminal bud up to ¾ inch, reddish or yellowish brown and shiny from a sticky, non-aromatic resinous coating. French name: Peuplier deltoïde de l'Ouest Taxonomic Serial Number: 22447 22449 [syn. Salicaceae. Tree 5–20 m with ascending branches. Cottonwood trees are a common street tree and are the largest native broadleaf trees in Colorado. Female catkins 3–12 cm long; stigmas 2. Funding provided by the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources. Web design and content copyright © 2006-2020 MinnesotaWildflowers.info. with flat base, pointed tip. The wood is not durable when exposed to soil and other moist conditions. Capsules 3–6 mm long (Lesica 2012. P. deltoid) cottonwood is the Wyoming State Tree. Ponderosa Pine - … May have 2 or 3 glands near base of leaf at top of flat petiole which is 2 1/2 to 4 inches long. Male and female flowers are on separate trees (dioecious) in hanging clusters (catkins) from the leaf axils of 1 year old branches. Unlike most other poplar species, Cottonwood does not reproduce by root suckers and does not occur naturally in dense, pure clonal colonies. Get the Full-Color Pocket Field Guide. Note: All comments are moderated before posting to keep the riff-raff out. Great Plains cottonwood (P. sargentii), of North America, has thick coarse-toothed leaves. Leaves are a vibrant shiny green, turning yellow in the autumn. However, the fruit can be messy in the landscape and may require occasional clean-up. It is used for rough construction lumber, temporary fence posts, corral poles, fuel, veneer, boxes, plywood, excelsior, and wood pulp (Taylor, 2001) . Plains Cottonwood - Populus deltoides. Size: 65 to 130 feet. In urban plantings it is a fast growing species that can quickly dwarf the landscape though its weak, brittle wood predisposes it to wind breakage and the copious amounts of cottony wind dispersed seeds can quickly clog up window screens, air conditioner coils and lawnmower filters. Latin name: Populus deltoides ssp. Perfect for everyone from young students to professional arborists. As it ages, the bark becomes rough. Eckenw. Your email address: (required)
Help support this site ~ Information for sponsor opportunities. P. sargentii Dode] C2 , NA2 Where in Minnesota? The leaves are triangular saw-toothed and "quake" in the breeze like an aspen leaf. The plains cottonwood is a Colorado native tree but, while it grows in our area, it’s considered native to the lower elevations of the state and is typically found in elevations between 3,500 to 6,500 feet. common cottonwood. Margins have large rounded to pointed teeth. Eastern cottonwood is one of the few hardwood species that is planted and grown specifically for these purposes. Its leaves, more broad than long, are slightly smaller and more coarsely toothed than the typical variety. wislizeni Rio Grande cottonwood Legal Status. The diverse poplar family includes the quaking aspen, which boasts the widest range of any North American tree, and the Plains cottonwood, which was the only tree many early settlers met as they forged westward through America's prairies. They are also a popular habitat for various forms of local wildlife. Minnesota's champion tree cottonwood measures a whopping 10-ft diameter at breast height. Plains Cottonwood Trees (populus deltoides): the greenish-yellow bark of the young tree becomes rough and dark gray as it gets older. Map of native plant purveyors in the upper midwest. Twigs are greenish and smooth turning a creamy yellow brown the second year. plains cottonwood Populus deltoides ssp. Usually at the base of the leaf near the stalk are 2 small glands. A massive tree of floodplains, stream valleys and lakeshores, it can also establish on drier upland soils where there is adequate subsurface moisture to see it through droughts. Twigs are greenish and smooth turning a creamy yellow brown the second year. The Plains cottonwood is also the largest broadleaf tree of Colorado, New Mexico, and Wyoming. Its life span can reach over 100 years. Average lifespan of 50-70 years, although they do sometimes live more than 100 years. The Plains cottonwood (Populus deltoides var. 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. Further west (Minnesota south to eastern Texas), the subspecies P. d. monilifera (plains cottonwood; syn. The large heart-shaped leaves turn yellow in fall. Wide, triangular shaped green leaves turn yellow in the fall. ), please check the links and invasive species pages for additional resources. occidentalis Rydb.] Have you seen this plant in Minnesota, or have any other comments about it? 195711 [syn. Large beautiful plains cottonwood trees in park immediately to east of grain elevator on highway 28. Bark light brown, becoming furrowed. Cottonwood (Poplar) The cottonwood—also known as the poplar—is a tall tree with a spreading crown, named for its cotton-like seeds. Flat stems make leaves dance in the gentlest of breezes. Cottonwood … Usually at the base of the leaf near the stalk are 2 small glands. Leaf blades lanceolate with cuneate bases, 2.5 or more times as long as wide, 4–11 cm long, glaucous below, with petioles 1/3 or less length of blade. 34b – Form of tree is tall, wide, open — Plains Cottonwood; Description. It is hardy to zone (UK) 2. It is the state tree of Wyoming. The current national champion plains cottonwood in Ravalli, Montana is believed to have been planted at the turn of the 20 th century, which clearly demonstrates the fast speed at which the species grows. Cottony seeds float through the air in early summer. Leaf: Triangular, glossy. Your Name:
Besides the typical eastern variety (var. monifilera in the central US and Canada which is found in Minnesota and has leaves with a longer taper to the tip, usually 2 glands on a leaf, and usually hairy winter buds. Cottonwood trees are huge deciduous trees that have large green leaves and thick foliage. Landscape Attributes.
The leaves are broad, glossy, and light-green in color. Each leaf is about 6 inches long and 4 inches wide. Minnesota Environment and Natural Resources Trust Fund, part shade, sun; most woods, floodplains, lowland forest along lakes and streams. Insects and diseases that are found most frequently and/or that cause the most damage in our Canadian forests. Photos by K. Chayka taken in Ramsey County. It is a plains cottonwood. Many species and hybrids have wood with a variety of uses, including for matches and matchboxes. The leaves may be triangular or ovate in shape, with a fine serration on the borders. Comment (max 1000 characters): Note: Comments or information about plants outside of Minnesota and neighboring states may not be posted because Id like to keep the focus of this web site centered on Minnesota. The statute was amended in 1961 to change the scientific name to: Populus deltoides variety monilifera. P. deltoides var. monilifera (Ait.) 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. Trees, insects and diseases of Canada's forests, C2 , NA2, 1 or 2 glands at the base of the leaf blade, Neoformed leaves broadly ovate, hairy when unfolding, Base more rounded than eastern cottonwood, 5–15 rounded teeth per side, no teeth on the tip or near the petiole, Teeth smaller and more numerous on neoformed leaves, Lateral leaf buds slightly smaller, diverging from the twig, Leaf scars large, 3-lobed, with eyelash-like hairs at juncture of bud and scar, Narrow ridges extend down from either side of the bud, Smooth, with age becoming deeply furrowed, Yellowish-grey, with age becoming dark grey, Often divided near the ground into a few large, wide-spreading limbs, Frequently planted on the prairies for shelterbelts, In open stands with other species; sometimes forms pure stands. There are cottonwoods on the Great Plains today that were living when the great herds of bison still roamed the prairie. The bark is smooth and white when the tree is young. 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 … occidentalis). monilifera (Aiton) Eckenwalder – plains cottonwood Smooth, grayish bark becomes deeply grooved and darker as it ages. Fruits is a green, egg-shaped capsule on the long pendulous catkins, splitting into three or four parts when mature releasing copious amounts of cottony seeds to the winds. Yes. P. sargentii) has somewhat narrower leaves, 5–10 cm wide at the base. Aigeiros Species: P. deltoides Binomial name Populus deltoides W.Bartram ex Marshall Native range Populus deltoides, the eastern cottonwood or necklace poplar, is a cottonwood poplar native to North America, growing throughout the eastern, central, Populus L. – cottonwood Species: Populus deltoides W. Bartram ex Marshall – eastern cottonwood Subspecies: Populus deltoides W. Bartram ex Marshall ssp. Lombardy poplar (P. nigra) is a columnar form that is much planted. It is a Fremont cottonwood. The Plains Cottonwood is a triangular shaped broad-leafed (Populus sargentii a.k.a. glands where leaf … Pick an image for a larger view. A broad, irregularly rounded canopy with coarse, spreading branches. eastern cottonwood. Bark is light-grey, almost silver in color and deeply furrowed on mature trees. eastern cottonwood, plains cottonwood, common cottonwood, alamo, carolina poplar, necklace poplar Family. This tree grows from the eastern plains to 6500 feet (2000 m) in elevation, and possibly higher in canyons of the eastern slope of Colorado. Leaves are alternate and simple with a mostly flat leaf stalk, blade is broadly triangular (deltoid), 2 to 4 inches long and up to 4¼ inches wide, the base mostly flat across, the corner angles rounded with coarse, rounded teeth, and tapered to an abrupt pointed tip. alternate. See the glossary for icon descriptions. Bark is smooth and thin, creamy or greenish gray on younger branches becoming brownish to dark gray, thick and deeply ridged and furrowed on the trunk. Cottonwood trees have long triangular-shaped leaves that measure up to 6 inches each and with a growth rate of almost 6 feet every year, they can easily reach heights of 40 meters (approx 130 feet) or more when completely matured. wislizeni limited to the southwestern US; subsp. The plains cottonwood is the western subspecies of the Eastern cottonwood (Populus deltoides). The ‘Highland’ cottonwood is a much smaller version of Populus sargentii. Inches long with yellowish stigmas on top of a cottonwood of Populus sargentii a.k.a slightly smaller more. Many species and hybrids have wood with a variety of uses, including for and. Of red stamens growth, but they are also a popular habitat for various forms local. And the seeds are not uncommon grows faster and taller than most any other comments about it have other. 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