You can tell the male and female species apart because the males have yellow catkins and the females have green colored ones. Poplar leaves have a more oval to oval-lance-like leaves. The most abundant poplar, the eastern cottonwood, is more massive than any birch, as this cottonwood can grow to 100 feet and has a spreading canopy. Both male and female black poplars produce yellow catkins. She holds a master's degree in journalism. Their tall stature and wide-spreading dense foliage mean they are great shade trees. 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 tree is native to Europe. Pustules later turn dark brown or black. Apart from producing a flurry of white fuzzy fluff in late spring and early summer, there are other ways to identify cottonwoods. Leaf Margins - Coarsely-dentate to entire. The leaf veins and shoots are finely covered with soft hair. 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. This cottonwood species is also classed as a riparian zone tree, meaning it thrives near rivers and streams. Eastern cottonwood leaves are triangular (deltoid) with curved teeth along the edges. 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. They are commonly triangular in shape, but may be more rounded. These tall straight trees are found all the way from Alaska, through British Columbia, to Oregon, and California. trichocarpa (Torr. The main identifying features of black poplar cottonwoods are their fine-toothed leaves, oval diamond shapes, and glossy green color. 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. â¦ You will also notice fruit looking like large clumps of fluffy white cottonwood pods on the tree. Bud Size - Varies between hybrids. 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. Similarities. 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. Being a species of a poplar tree, cottonwoods are also related to aspens. As with all cottonwoods, the bark has deep fissures giving it a cracked appearance. Narrowleaf cottonwood trees grow to about 98 ft. (30 m) tall and grow in zones 3 – 7. 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. Deer eat the twigs and leaves. Similar to all species of cottonwood, black poplars are fast-growing trees that produce low-grade timber. Cottonwood flowers look like small fuzzy buds (catkins) with reddish or yellowish flowers. Cottonwood trees are species of poplar trees belonging to the genus Populus. Cottonwood trees are huge deciduous trees that have large green leaves and thick foliage. Bigtooth Aspen; Eastern Cottonwood; â¦ Balsamifera means balsam (aromatic resin)-bearing. The wood density is soft and the timber is used as a cheap type of hardwood. Luster Leaf; Aspects; Lawn & Garden Products; Woodlink; Birds Choice; View all Brands; Annual Care Kits Tree Health ... Poplar Aspen & Cottonwood. The third major cottonwood species is Fremont’s cottonwood. You will notice that mature cottonwood trees have a thick bark that is deeply fissured. The leaves of this poplar are some of the largest of any of the cottonwood trees. 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. For people with hay fever (allergic rhinitis), cottonwood’s white fluff is associated with sneezing, wheezing, and a runny nose. There are also exceptions by species, such as the black poplar. With a giant trunk and branches laden with brightly colored leaves, the thick foliage of these trees forms a dense canopy that spreads into an open crown. Leaves are simple, alternate, and deciduous. Hybrid poplar bark, twigs and leaves are eaten by rodents, rabbits, deer, beavers and porcupines. The trees are notorious for fluffy strings of seeds that get carried great distances in the breeze. (See the section on Wet Wood in the Elm Disease section for details and control) Rust (fungus â Melampsora medusae): Small, yellowish-orange pustules on lower surfaces of leaves. Cottonwoods have more triangular or heartshaped leaves than poplars, and the edges are slightly serrated. This grayish-brown bark helps protects this native tree from drought and fire. The leaf edges are slightly serrated. Cottonwood leaves are large, shaped like a triangle and have toothed edges. Also called the necklace poplar, the eastern cottonwood tree grows throughout the central and eastern regions of the United States. Leaf Type and Shape - Simple leaves, deltoid to lanceolate, petioles are generally flattened. Eastern cottonwood (P. deltoides), nearly 30 metres (100 feet) tall, has thick glossy leaves.A hybrid between this and Eurasian black poplar (P. nigra) is P. canadensis. Trichocarpa means with hairy fruits, referring to its fluffy seeds. Cottonwoods trees play a very important role in â¦ The leaves of aspen and Eastern cottonwood are deltoids where black cottonwood and balsam poplar are ovate. City planners also use cottonwood trees for urban areas because of their hardiness, low maintenance, and ornamental look. Why plant a Cottonless Cottonwood tree? 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 To Native Americans, the tree was extremely important. Grosbeaks eat the seeds. © Copyright 2020 Hearst Communications, Inc. The bark is smooth and greenish-white with characteristic diamond-shaped dark marks on young trees, that become blackish and fissured at â¦ Usually, most cottonwood species of tree leaves have pronounced tooth edging whereas black poplars are almost smooth-edged. The Cottonwood Leaf (Populus Deltoides) Along with pictures of cottonwood tree species, descriptions of the bark and leaves will help to identify these large native North American trees. The bark of the tree is grayish brown which appears blackish, and so the name the black poplar tree. 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. Most species in the Populus genus, including poplars, make cotton, but it is only the female trees that produce it. Both tall trees with sweeping branches, poplars and cottonwoods are not very dissimilar. I also agree that the first appears to be cottonwood poplar (or American Basswood) by the lobes at the petiole. The 3 main species are Populus deltoids (eastern cottonwood), Populus fremontii (Fremont’s cottonwood), and the Populus nigra (black poplar). You will notice the leaves have a serrated edge and the curved triangle shape tapers to a sharp, elongated point. Populus f. wislizenii, Rio Grande cottonwood, is similar but has slightly larger leaves. Does well in West Texas. The dangling leaves clatter in the wind. I have reviewed examples from Mich, Ohio and Pa that show similarities to your leaves so I â¦ Distinctive glands are These trees have been very important to the native people living in North America. These hardwood trees are also found in deciduous forests. Black Cottonwood The Willow Familyâ Salicaceae Populus balsamifera L. ssp. They all have triangular leaves with long stems and silvery backsides, so leaves shimmer in the wind.They also distribute downy cotton seeds in late spring. These are some of the largest and fastest-growing trees. The leaves are diamond-shaped and are hairless. Size: Grows to 200' tall and 6' in diameter. The Chinese necklace poplar is a delightful shade tree with large leaves and dense foliage. More commonly found in Europe and Asia, the black cottonwood also grows on the western coast of the US. Plant cottonwoods only if your house has a large expanse of outdoor land for maximum effect. In fact, cottonwoods are one of the fastest-growing trees in North America. You will find cottonwood trees growing in the eastern, central, and southwestern states of the US. These large trees provide good shade and grow in almost any environment. One of the other problems with these types of poplar trees is that they are susceptible to diseases and bugs. And, like all cottonwood trees, the leaves turn bright yellow in the fall. Sarah Moore has been a writer, editor and blogger since 2006. What Is the Difference Between a Poplar & a Cottonwood Tree? These trees are usually found growing along the Mississippi and in states such as in Tennessee, Illinois, Ohio, and Indiana. This cottonwood species has long buds that grow up to 3 cm and these bloom into yellowish flowers. It also provides important nesting and roosting habitat for various species of birds. Flowers on the eastern cottonwood species are reddish on male trees and yellowish-green on female trees. It is one of three species in Populus sect. These develop on the tree in early summer and can create a blanket of summer “snow” when they disperse in the wind. Some types of cottonwood such as the narrowleaf and Fremont species can live for up to 150 years. Also known as the Silver Poplar because its leaves have a white felted underside. The leaves are willowy, long, and narrow, which is another way to distinguish the narrowleaf cottonwood from other types. One of the common features of all types of cottonwood trees is the fluffy cotton-like strands that appear every June. Narrowleaf cottonwood trees are species of tree in the genus Populus and family Salicaceae (willow tree). It provides forage for browsing wildlife such as white-tailed and mule deer up through the sapling stage. Differences. Poplars, cottonwoods and aspens are all members of the Populus genus, and all are quite tall. Even just a slight breeze causes cottonwood trees to make this unique rustling sound. Poplars are sometimes referred to as ‘cottonless cottonwoods,’ but this is a misnomer. Massive green leaves in a triangle shape that create lush foliage. These large trees can grow to between 50 and 80 ft. (15 – 24 m). It shares common traits with eastern cottonwood, but has slightly larger leaves. When male trees fertilize female trees, females produce a capsule that eventually splits open to distribute the downlike ‘cotton,’ connected to seeds that disburse on the wind. The gently spreading shape of the tree provided shade in grasslands. When the leaves change color in the fall during October and November, they become bright yellow or orange. & 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. The black cottonwood is a tall tree that produces low-grade timber. The eastern cottonwood is a large and fast growing tree. Leaves: Simple, alternate, deciduous. Wet Wood (bacterial): Occurs in Cottonwood and Lombardy Poplar. The leaves are lanceolate and have scalloped edges. Nevada is a male selection. Even today, cottonwoods are grown in parks and other areas for the excellent shade from their dense foliage. 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. It is normally fairly short-lived, but some trees may live up to 400 years. Lanceleaf cottonwood trees grow to between 40 and 60 ft. (12 – 18 m) and have a spread of up to 40 ft. (12 m). The fast growth rate of cottonwood trees and the strength of the timber means it has many uses. 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. Cottonwood trees are common in North America, Europe, and some parts of Asia. These long white beads of fluff shed in June and July and are a nuisance for people living near them. The Fremont Cottonwood, also known as the Western Cottonwood or the Rio Grande Cottonwood, Populus fremontii, occurs in California east to Utah and â¦ Birch trees often grow in stands together in large numbers. Swamp cottonwoods are another species of massive tree that grows in temperate regions in North America. They are a common sight in the Rocky Mountains where they grow near mountain streams and creeks. Pest & Diseases to Watch For As with other poplars, narrowleaf cottonwood is susceptible to aphids, beetle borers, scales, thrips, anthracnose, canker, crown rot, â¦ The second set is in the maple family Acer Rubrum. Cottonwood trees are not the ideal type of landscaping tree for small or medium-sized backyards. Cottonwood fluff surrounds the seeds of female tree species and may cause allergy. They are also fast-growing trees that are identified by their lance-shaped dark green glossy leaves, pyramidal shape, and hardiness. A cottonwood in Willamette Mission State Park near Salem, Oregon, holds the national and world records. Cottonwood trees are also large shade trees and their sprawling branches have a spread of up to 113 ft. (34 m). The bark is smooth and silvery-white when young and becomes hard, gray, and deeply fissured as the tree matures. The scientific name of this cottonwood species is from the triangularly-shaped leaves. Rather than having a delta-shaped leaf, they have heart-shaped leaves. Under the right conditions, cottonwood trees are some of the best shade-providing trees in large areas. The leaves of this poplar are some of the largest of any of the cottonwood trees. They are also popular to use in helping to restore a natural environment as they prevent soil erosion. Although, some studies do show that people can suffer from allergic reactions to the cotton. The Lombardy Poplar (Populus nigra âItalicaâ) 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. Poplars, cottonwoods and aspens are all members of the Populus genus, and all are quite tall. Some reasons why cottonwood trees are popular are that they are fast-growing, their timber is cheap, and they thrive in wetlands and arid environments. Siouxland poplar, a "cotton-less cottonwood" was introduced by South Dakota State University. Cottonwood trees get their name from the fluffy cotton-like seeds produced by the female tree. There are also some subspecies of these hardy tall trees that you will find out about later in this article. 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'. Cottonwood, Poplar, and Aspen (Populus) Fruits are cottony with tiny seeds ; Leaves tend to have silvery or white backsides and very long leaf stems that make them flop and twist in the wind. The lanceleaf cottonwood, however, will only live for up to 50 years. The leaf shape of this popular is more heart-shaped than triangular. crossed with Cottonwood include Balsam Poplar, Japanese Poplar and Russian Poplar. Triangular; 3"-6" long (but sometimes much larger); green above and white below, often with rusty markings. One of the differences between black and eastern cottonwoods is their size. 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. Cordate (heart-shaped) large oval leaves that are up to 6” (15 cm) long and with an elongated tip. The tufted seeds are shed in masses of white "cotton" which can cover the ground inches deep. Very shiny. Common in the region from 2,000 to 6,000 ft (below 6,500). Cottonwoods have an impressive growth rate and grow about 3 ft. (1 m) every year. The bark is rough with deep furrows and is a gray-brown color. Their flat wide edge and flat stem make them “clatter” in the wind. Poplars thrive in moist soils, so look for them along rivers and streams. Poplar cottonwoods also grow on the east coast of southern Canada and in northeastern Mexico. Populus fremontii, commonly known as Frémont's cottonwood, is a cottonwood (and thus a poplar) native to riparian zones of the Southwestern United States and northern through central Mexico. These are the cottonwood pods covered in white fluff that are a nuisance in the summer. Let’s look at the different species of trees in the Populus genus that make up the cottonwood species. The name “cottonwood” comes from the fluffy white substance that surrounds the seeds. Black cottonwood trees become stunning in the fall where their foliage turns a beautiful bright yellow color. â¢ Often occurs with black cottonwood (Populus trichocarpa) and yellow willow. Aigeiros.The tree was named after 19th century American explorer and pathfinder John C. Frémont Due to the fact that cottonwood lumber is soft, yet durable, it has many uses in the timber industry. These leaves grow alternately on branches and have a flat stem. If you compare them with eastern cottonwood leaves, you will see Fremont’s cottonwood leaves are smaller with less serration. These cottonwood trees are used as windbreaks, to prevent soil erosion, and provide shade in parks, cattle ranches, and recreational areas. Bud Color - Varies between hybrids. While some caterpillars feed exclusively on soft plant tissue like leaves, flowers and fruit, a few cottonwood pests bore into the wood. Nurseries sometimes sell male trees as ‘cottonless,’ and you can buy sterile hybrids that also do not produce it. Cottonwood, several fast-growing trees of North America, members of the genus Populus, in the family Salicaceae, with triangular, toothed leaves and cottony seeds. As with most species of trees in the cottonwood family, the timber is weak and the narrowleaf cottonwood tree is not commercially important. Some species of cottonwood trees have been known to reach heights of 100 ft. (30 m) or more. As its name suggests, these poplar trees have narrow leaves when compared to other cottonwood trees. They occur on a branch alternately, are simple (single leaf) and mostly toothed. The leaf has fine teeth, unlike the other cottonwoods. For many people, the fluff from cottonwood trees is a nuisance. 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. Another way the leaves help to identify black poplars is because of their finely serrated edges. Fremont’s cottonwoods grow to between 40 and 115 ft. (12 – 35 m) and they have a large spread that creates shade. references. Cottonwood bark. Cottonwood trees provide cheap timber for making pellets, boxes, crates, and also pulp for paper. Another way to tell this species of poplar apart from other broadleaf trees is the rustling sound the leaves make in a gentle breeze. The cottony seeds are often seen â¦ This huge majestic deciduous tree is also called the Alamo cottonwood as it is found in Texas and other southern US states. Leaf shape like a spearhead that turns from glossy green in the summer to bright yellow in the fall. In this article, you will find out information about cottonwood trees. It is also called Western balsam poplar and California poplar. Apex of leaf has a curving point, hence the name whiplash. Poplar and aspen bark is cracked or ridged but some species like Quaking Aspen have birch-like bark. These flowers produce cottonwood fruits. So, within about 10 – 30 years, these majestic trees are tall enough to produce timber. 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. According to the United States Department of Agriculture (USDA), cottonwoods grow in areas of full sun and in moist, well-drained sandy soil. This disease is caused by a bacterial infection. The cottonwood tree is a hardwood tree that loses its leaves in the fall. Also called the swamp poplar or downy poplar, these huge trees are similar to eastern cottonwoods. Although they do have weak wood, poplars and cottonwoods are still commonly used as shade trees, though they are more appropriate for ornamental use in rural areas where they are less likely to fall on dwellings and their messy cotton does not create a problem. Their tall stature and fast-growing nature mean they are more suited to large, wide-open spaces. This cottonwood species has long buds that grow up to 3 cm and these bloom into yellowish flowers. They are often found in forests near rivers or streams and grow to between 65 and 195 ft. (20 – 60 m) high. Of course, the cotton fluff they shed in early summer is a problem for most people living near to cottonwood trees. Poplar Aspen & Cottonwood Types. Cottonwoods grow best in moist areas by lakes, streams, irrigation ditches and floodplains but will tolerate dry soil.