The bark is smooth and greenish-white with characteristic diamond-shaped dark marks on young trees, that become blackish and fissured at … The Fremont Cottonwood, also known as the Western Cottonwood or the Rio Grande Cottonwood, Populus fremontii, occurs in California east to Utah and … Luster Leaf; Aspects; Lawn & Garden Products; Woodlink; Birds Choice; View all Brands; Annual Care Kits Tree Health ... Poplar Aspen & Cottonwood. Only the female species of cottonwood trees produce the white fluff for which the tree is known. Common in the region from 2,000 to 6,000 ft (below 6,500). Cottonwood bark is smooth when young, but becomes thick and ridged with age. One of the common features of all types of cottonwood trees is the fluffy cotton-like strands that appear every June. This disease is caused by a bacterial infection. Poplar leaves can achieve lengths of 6 and 7 inches, with many having widths larger than most birch leaves are long. The Cottonwood Leaf (Populus Deltoides) Sarah Moore has been a writer, editor and blogger since 2006. references. Very shiny. Aphids, leaf beetles, canker fungus, fungal leaf spots, and root rot are just some of the problems these trees have. Although, some studies do show that people can suffer from allergic reactions to the cotton. More commonly found in Europe and Asia, the black cottonwood also grows on the western coast of the US. It also provides important nesting and roosting habitat for various species of birds. The black cottonwood is a tall tree that produces low-grade timber. What Is the Difference Between a Poplar & a Cottonwood Tree? A cottonwood in Willamette Mission State Park near Salem, Oregon, holds the national and world records. I also agree that the first appears to be cottonwood poplar (or American Basswood) by the lobes at the petiole. The leaves of aspen and Eastern cottonwood are deltoids where black cottonwood and balsam poplar are ovate. Poplars thrive in moist soils, so look for them along rivers and streams. Nature Hills sells two different kinds of Cottonwood trees that are seedless and do not produce any of the messy, fuzzy seeds that you see at this time of the year: the Siouxland Cottonwood and the Hybrid Poplar. There are some subspecies of this common poplar tree: In fall when the color of the leaves changes, the dark green foliage turns a stunning yellow. Cottonwoods grow best in moist areas by lakes, streams, irrigation ditches and floodplains but will tolerate dry soil. (1). Cottonwoods are also taller, ranging between 80 and 200 feet, whereas the balsam poplar is only 80 feet and the black poplar a mere 40 to 50. As its name suggests, these poplar trees have narrow leaves when compared to other cottonwood trees. Birch trees often grow in stands together in large numbers. Along with pictures of cottonwood tree species, descriptions of the bark and leaves will help to identify these large native North American trees. Some species of cottonwood trees have been known to reach heights of 100 ft. (30 m) or more. Swamp cottonwoods are another species of massive tree that grows in temperate regions in North America. Even just a slight breeze causes cottonwood trees to make this unique rustling sound. Lanceleaf cottonwood is a medium sized tree used in landscape for shade. Cottonwood is one of a suite of fast-growing lowland trees commonly found along waterways, so it is an important component of river and stream ecosystems, providing shelter and food to numerous species. These fast-growing trees can reach heights of 50 ft. (15 m) in just 20 years. For many people, the fluff from cottonwood trees is a nuisance. The cottonwood tree is a hardwood tree that loses its leaves in the fall. The leaves are willowy, long, and narrow, which is another way to distinguish the narrowleaf cottonwood from other types. Nurseries sometimes sell male trees as ‘cottonless,’ and you can buy sterile hybrids that also do not produce it. This cottonwood species is also classed as a riparian zone tree, meaning it thrives near rivers and streams. These hardwood trees are also found in deciduous forests. While their weak wood makes them a somewhat dangerous tree near buildings and dwellings, they have commercial value as suppliers of material for paper, particle board, plywood, veneer, and lumber. The tufted seeds are shed in masses of white "cotton" which can cover the ground inches deep. Their flat wide edge and flat stem make them “clatter” in the wind. Fremont’s cottonwoods grow to between 40 and 115 ft. (12 – 35 m) and they have a large spread that creates shade. The leaves of the Chinese necklace poplar are very large. Leaves can grow up to 13” (35 cm) long and 10” (25 cm) wide. Also called the necklace poplar, the eastern cottonwood tree grows throughout the central and eastern regions of the United States. Poplar Aspen & Cottonwood Types. Why plant a Cottonless Cottonwood tree? The leaves of this poplar are some of the largest of any of the cottonwood trees. Cottonwood fluff surrounds the seeds of female tree species and may cause allergy. Types of Willow Trees: Weeping Willows, Willow Shrubs, Dwarf Willows and More (With Pictures and Nam... Types of Cedar Trees with Identification Guide (Pictures, and Name) - Including False Cedar Trees, Types of Evergreen Trees with Identification Guide, Pictures and Names, Cottonwood Trees: Facts, Identification, Pictures, Problems, and More. Cottonwoods trees play a very important role in … These are some of the largest and fastest-growing trees. The black cottonwood (Populus trichocarpa) can grow to a height of 200 feet and is hardy in U.S. Department of Agriculture plant hardiness zones 4 through 8, while the eastern cottonwoode (Populus deltoids) is hardy to USDA zones 2 through 9 and grows as tall as 80 feet. Narrowleaf cottonwood trees grow to about 98 ft. (30 m) tall and grow in zones 3 – 7. Black Cottonwood The Willow Family– Salicaceae Populus balsamifera L. ssp. Apex of leaf has a curving point, hence the name whiplash. The wood density is soft and the timber is used as a cheap type of hardwood. Cottonwood bark. Elongated narrow leaves that are glossy green and turn sunny yellow in the fall. Plant cottonwoods only if your house has a large expanse of outdoor land for maximum effect. These develop on the tree in early summer and can create a blanket of summer “snow” when they disperse in the wind. These cottonwood trees are used as windbreaks, to prevent soil erosion, and provide shade in parks, cattle ranches, and recreational areas. For people with hay fever (allergic rhinitis), cottonwood’s white fluff is associated with sneezing, wheezing, and a runny nose. The Chinese necklace poplar is a delightful shade tree with large leaves and dense foliage. Bud Color - Varies between hybrids. Bigtooth Aspen; Eastern Cottonwood; … Black cottonwood trees become stunning in the fall where their foliage turns a beautiful bright yellow color. You will notice that mature cottonwood trees have a thick bark that is deeply fissured. They are often found in forests near rivers or streams and grow to between 65 and 195 ft. (20 – 60 m) high. Both are members of the Populus genus, which includes poplars, cottonwoods and aspens. Flowers on the eastern cottonwood species are reddish on male trees and yellowish-green on female trees. The leaves are diamond-shaped and are hairless. Cottonwood trees provide cheap timber for making pellets, boxes, crates, and also pulp for paper. These dark shiny leaves turn to impressive bright yellows in the fall. The main identifying features of black poplar cottonwoods are their fine-toothed leaves, oval diamond shapes, and glossy green color. Both male and female black poplars produce yellow catkins. They are also fast-growing trees that are identified by their lance-shaped dark green glossy leaves, pyramidal shape, and hardiness. The Lombardy Poplar (Populus nigra ‘Italica’) is a form of Black Poplar that probably came originally from Northern Italy in the 18th century but has since been planted throughout the world as an ornamental tree.It is a male tree with red catkins in spring and can reach a height of more than 30m. Missouri Botanical Garden: Populus Deltoides, Oregon State University: Cottonwood, Poplar and Aspen, Oregon State University: Black Cottonwood (Populus Trichocarpa), United States Department of Agriculture: Black Cottonwood, Virginia Tech Department of Forest Resources and Environmental Conservation: Balsam Poplar, Missouri Botanical Garden: Populus Nigra 'Italica'. This cottonwood species has long buds that grow up to 3 cm and these bloom into yellowish flowers. The fast growth rate of cottonwood trees and the strength of the timber means it has many uses. These large trees can grow to between 50 and 80 ft. (15 – 24 m). Cottonwood leaves are large, shaped like a triangle and have toothed edges. 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. Cottonwood (Poplar) The cottonwood—also known as the poplar—is a tall tree with a spreading crown, named for its cotton-like seeds. To 4060 feet or taller, about 30 feet wide, with 2- to 4 inches-wide, thick, coarsely toothed, glossy, yellow-green leaves that turn bright lemon-yellow in fall. It is also called Western balsam poplar and California poplar. These leaves grow alternately on branches and have a flat stem. Yellow poplar vs Populus genus Color: Yellow poplar (Liriodendron tulipifera) generally has a green/olive cast to certain portions of the wood.This can sometimes be enough of an indicator to separate it from other Populus species, but to ensure separation, a closer look at the endgrain is needed.Rays: A helpful key in differentiating these two genera is in the rays. Fremont’s cottonwood trees grow well near rivers and streams. (2). City planners also use cottonwood trees for urban areas because of their hardiness, low maintenance, and ornamental look. Even today, cottonwoods are grown in parks and other areas for the excellent shade from their dense foliage. Both tall trees with sweeping branches, poplars and cottonwoods are not very dissimilar. Due to the fact that cottonwood lumber is soft, yet durable, it has many uses in the timber industry. Differences. The dangling leaves clatter in the wind. Being a species of a poplar tree, cottonwoods are also related to aspens. However, it is the pollen from the cottonwood tree that causes the majority of hay fever symptoms. You will notice the leaves have a serrated edge and the curved triangle shape tapers to a sharp, elongated point. In fact, cottonwoods are one of the fastest-growing trees in North America. Wet Wood (bacterial): Occurs in Cottonwood and Lombardy Poplar. Pustules later turn dark brown or black. These poplar trees shed cotton during June and July. Most species in the Populus genus, including poplars, make cotton, but it is only the female trees that produce it. Description. 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. If you compare them with eastern cottonwood leaves, you will see Fremont’s cottonwood leaves are smaller with less serration. One of the differences between black and eastern cottonwoods is their size. Does well in West Texas. It provides forage for browsing wildlife such as white-tailed and mule deer up through the sapling stage. Cottonwood trees are also large shade trees and their sprawling branches have a spread of up to 113 ft. (34 m). Deer eat the twigs and leaves. Some types of cottonwood such as the narrowleaf and Fremont species can live for up to 150 years. & A.Gray ex Hook) Brayshaw (POP-yu-lus ball-sum-IF-er-uh subspecies tri-ko-KAR-pa) Names: Black Cottonwood is also known as Balsam Poplar. There are also exceptions by species, such as the black poplar. trichocarpa (Torr. Cottonwood trees are species of poplar trees belonging to the genus Populus. If you want to use a cottonwood tree in landscaping, then choose the ‘Highland’ cultivar as it doesn’t produce annoying cotton fluff in the summer. This type of cottonwood tree is a hybrid between the eastern cottonwood and the narrowleaf cottonwood. As nouns the difference between poplar and cottonwood is that poplar is any of various deciduous trees of the genus populus while cottonwood is a tree from one of number of species of tree in the genus populus (poplars), typically growing along watercourses, with fluffy catkins. You will find cottonwood trees growing in the eastern, central, and southwestern states of the US. Balsamifera) also grows to a height of 80 feet. • Summer Key – Long pointed leaf, same color on both sides, fine-toothed margin. Leaves: Simple, alternate, deciduous. Cottonwood trees get their name from the fluffy cotton-like seeds produced by the female tree. Hybrid poplar bark, twigs and leaves are eaten by rodents, rabbits, deer, beavers and porcupines. In this article, you will find out information about cottonwood trees. Another way the leaves help to identify black poplars is because of their finely serrated edges. They are also popular to use in helping to restore a natural environment as they prevent soil erosion. The trees are also used in large parks to attract different kinds of wildlife and create windbreaks. Of course, the cotton fluff they shed in early summer is a problem for most people living near to cottonwood trees. It is one of three species in Populus sect. The leaf shape of this popular is more heart-shaped than triangular. The light white fluffy fibers can accumulate in yards, get into homes, block drains and gutters, and clog up filters. Leaves and Buds Bud arrangement - Alternate. Poplars are sometimes referred to as ‘cottonless cottonwoods,’ but this is a misnomer. Lanceleaf cottonwood trees grow to between 40 and 60 ft. (12 – 18 m) and have a spread of up to 40 ft. (12 m). cottonwood and balsam buds - resin from buds used to treat sore throat , coughs etc, a balm was also made from cottonwood buds to relieve congestion balsam poplar: bark - boiled as a poultice for wounds, worm medicine; inner bark - food Poplars, cottonwoods and aspens are all members of the Populus genus, and all are quite tall. They are commonly triangular in shape, but may be more rounded. Siouxland poplar, a "cotton-less cottonwood" was introduced by South Dakota State University. The leaf edges are slightly serrated. This tree is native to Europe. Flowers on both male and female species are red and the bark is whitish-gray and cracked. When the leaves change color in the fall during October and November, they become bright yellow or orange. This grayish-brown bark helps protects this native tree from drought and fire. The main benefit of this extremely fast-growing tree is that it does not produce the cotton that the eastern cottonwood … (See the section on Wet Wood in the Elm Disease section for details and control) Rust (fungus – Melampsora medusae): Small, yellowish-orange pustules on lower surfaces of leaves. Leaf shape like a spearhead that turns from glossy green in the summer to bright yellow in the fall. The leaves of this poplar are some of the largest of any of the cottonwood trees. Leaf Type and Shape - Simple leaves, deltoid to lanceolate, petioles are generally flattened. The 3 main species are Populus deltoids (eastern cottonwood), Populus fremontii (Fremont’s cottonwood), and the Populus nigra (black poplar). Apart from producing a flurry of white fuzzy fluff in late spring and early summer, there are other ways to identify cottonwoods. Pest & Diseases to Watch For As with other poplars, narrowleaf cottonwood is susceptible to aphids, beetle borers, scales, thrips, anthracnose, canker, crown rot, … Eastern cottonwood leaves are triangular (deltoid) with curved teeth along the edges. This huge majestic deciduous tree is also called the Alamo cottonwood as it is found in Texas and other southern US states. Poplar leaves vary in shape from the nearly triangular leaf of eastern cottonwood that resembles the ace of spades in a deck of playing cards to the almost round leaves of swamp cottonwood. These flowers produce cottonwood fruits. They grow very fast, and also grow well in very moist areas, and so are suitable for for windbreaks or planting near streambeds where other trees might not grow. While some caterpillars feed exclusively on soft plant tissue like leaves, flowers and fruit, a few cottonwood pests bore into the wood. Trichocarpa means with hairy fruits, referring to its fluffy seeds. While all cottonwoods produce the cotton from which their namesake comes, some poplars do not, including the black poplar (Populus nigra 'Italica'), a male clone also known as Lombardy or Italian poplar. They have clusters of erect branches which often appear as a single column, and look absolutely beautiful. These trees have been very important to the native people living in North America. The second set is in the maple family Acer Rubrum. The big glossy triangular leaves dangle down from the stems. The bark of the tree is grayish brown which appears blackish, and so the name the black poplar tree. These cottonwood trees grow in the western regions of North America at high altitudes. © Copyright 2020 Hearst Communications, Inc. Also known as the Silver Poplar because its leaves have a white felted underside. Large, shaped like a spearhead that turns from glossy green color that the appears. 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Bark is smooth when young, but some species like Quaking aspen have birch-like bark leaves turn to bright... Of hardwood name “ cottonwood ” comes from the cottonwood trees grow to about 98 ft. 30! And fastest-growing trees branches which often appear as a single column, and all are tall. Eastern, central, and California notice deep toothed edging on the coast.
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