Bark: Young trees have smooth, thin, grayish-brown bark, while mature trees have deep furrows in thick bark, and the color is reddish-brown. (up to two metres per year). Even today, cottonwoods are grown in parks and other areas for the excellent shade from their dense foliage. If you compare them with eastern cottonwood leaves, you will see Fremont’s cottonwood leaves are smaller with less serration. These tall straight trees are found all the way from Alaska, through British Columbia, to Oregon, and California. Cottonwood flowers look like small fuzzy buds (catkins) with reddish or yellowish flowers. Leaves: The leaves of a black cottonwood tree grow alternately in a pale green shade, with a leaf size of 2-2.5 inches in length and width. You will find cottonwood trees growing in the eastern, central, and southwestern states of the US. Black Cottonwood (Populus trichocarpa). Cottonwood trees are also large shade trees and their sprawling branches have a spread of up to 113 ft. (34 m). The bark is rough and dark-colored, thus “black cottonwood”. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. As its name suggests, these poplar trees have narrow leaves when compared to other cottonwood trees. Eastern cottonwood (Populus deltoides), one of the largest eastern hardwoods, is short-lived but the fastest-growing commercial forest species in North America. Scientific Name: Populus trichocarpa. In this article, you will find out information about cottonwood trees. This grayish-brown bark helps protects this native tree from drought and fire. Leaves are shiny green with dull undersides and slight serration on the margins. Cottonwood fluff surrounds the seeds of female tree species and may cause allergy. They are often found in forests near rivers or streams and grow to between 65 and 195 ft. (20 – 60 m) high. trichocarpa (Torr. The following points should help you to identify a black cottonwood. The trees are also used in large parks to attract different kinds of wildlife and create windbreaks. These flowers produce cottonwood fruits. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The Chinese necklace poplar is a delightful shade tree with large leaves and dense foliage. These develop on the tree in early summer and can create a blanket of summer “snow” when they disperse in the wind. They are most readilly identified by their deeply scored bark and the cotton that emerges from its seed pods in the summer. They are also fast-growing trees that are identified by their lance-shaped dark green glossy leaves, pyramidal shape, and hardiness. The lightweight, rather soft wood is used primarily for core stock in manufacturing furniture and for pulpwood. Vessels are moderately few to very numerous; pores are numerous, small, and barely visible to the naked eye. The wood is considered semi-ring to diffuse porous. Their tall stature and wide-spreading dense foliage mean they are great shade trees. But opting out of some of these cookies may have an effect on your browsing experience. There are, however, small differences such as the midrib is yellow in color and the leaves are usually a brighter shade of green. Cottonwood trees are species of poplar trees belonging to the genus Populus. This hybridization may be considered intraspecific (see balsam poplar). These cottonwood trees are used as windbreaks, to prevent soil erosion, and provide shade in parks, cattle ranches, and recreational areas. Rather than having a delta-shaped leaf, they have heart-shaped leaves. trichocarpa L. ssp. The ends of the twigs are usually covered with a brown balsam-scented resin. Share Black Cottonwoods are used for both timber and ornamentation. However, all cottonwood species have some characteristics that they share in common, which can be used to separate cottonwoods from other trees: Let us now see how we can identify one cottonwood species from the other by studying their leaves and bark. These trees are also very important in maintaining the well-being of numerous wild animals, birds, and insects. The sapwood is almost white, and merges into the light grey or greyish-brown heartwood, which may contain dark streaks. Latin (scientific) name: Populus trichocarpa Common English name: Black cottonwood Other names: Western balsam poplar French name: Peuplier de l’Ouest Flowers are catkins (male catkins are red and female catkins are yellow-green), and are pollinated by the wind. Its leaves have fine teethed corners and can be triangular in shape or sometimes also come close to resembling a diamond shape. Their flat wide edge and flat stem make them “clatter” in the wind. You will notice the leaves have a serrated edge and the curved triangle shape tapers to a sharp, elongated point. The leaves may be triangular or ovate in shape, with a fine serration on the borders. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Black Cottonwood – Salicales Salicaceae Populus trichocarpa Identification & Description: The tallest native cottonwood, with open crown of erect branches and sticky, resinous buds with balsam odor. Black cottonwood tree features a conical shape and looks simply spectacular standing upright in all its green glory. These fast-growing trees can reach heights of 50 ft. (15 m) in just 20 years. Credit: Mauritius Images GmbH / Alamy Stock Photo Cottonwood bark. Lanceleaf cottonwood trees grow to between 40 and 60 ft. (12 – 18 m) and have a spread of up to 40 ft. (12 m). Both male and female black poplars produce yellow catkins. Also known as Fremont cottonwood or Rio Grande cottonwood, this tree is commonly found near water bodies of arid regions. Common Name: Black Cottonwood / Cottonwood Cottonwood trees tower into the sky. Cottonwood leaves are large, shaped like a triangle and have toothed edges. Cottonwood Leaf Beetles have similar coloring to the pesky Colorado Potato Beetle, but their very different pattern makes it easy to differentiate between the two. Watch Queue Queue These trees have a widespread foliage that can extend to 5 feet in diameter. Twigs/buds: Yellowish to red-brown, moderately slender, round to angled. This category only includes cookies that ensures basic functionalities and security features of the website. Populus L. – cottonwood Species: Populus balsamifera L. – balsam poplar Subspecies: Populus balsamifera L. ssp. Necessary cookies are absolutely essential for the website to function properly. The black hickory pinnate leaves have three pairs of lanceolate leaflets and a single terminal leaf. Both male and female black poplars produce yellow catkins. Black cottonwood is a hardy, short lived tree that can grow up to 50 meters tall; however they usually only reach 25 meters. The leaves of this poplar are some of the largest of any of the cottonwood trees. We'll assume you're ok with this, but you can opt-out if you wish. Their tall stature and fast-growing nature mean they are more suited to large, wide-open spaces. Black hickories are small, slow-growing trees that reach about 50 ft. (15 m) in height. This huge majestic deciduous tree is also called the Alamo cottonwood as it is found in Texas and other southern US states. Fruits: Green capsule-like fruits grow on the tree, which contain numerous cottony seeds within them. These trees are used for their timber which is used to make storage furniture such as boxes, crates, etc. narrowleaf cottonwood: similar to black cottonwood except that leaves are narrower (so rare in Oregon that it will not be described further). Populus (including Populus afghanica) Populus × canadensis (P. deltoides × P. nigra) – hybrid black poplar Cottonwood trees are one of three species in the section Aigeros in the genus Populus. Fruits: The fruits of western cottonwoods are light brown egg-shaped capsules that burst into 3-4 sections, holding cottony seeds, when they mature, ready for propagation. Along with pictures of cottonwood tree species, descriptions of the bark and leaves will help to identify these large native North American trees. We provide informative articles about gardening, lawn care and landscaping that you can come back to again and again when you have questions or want to learn more! One of the other problems with these types of poplar trees is that they are susceptible to diseases and bugs. These cottonwood trees grow in the western regions of North America at high altitudes. 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. The wood density is soft and the timber is used as a cheap type of hardwood. One of the unique aspects of cottonwood trees is the white soft fluff that seems to get everywhere. Gray ex Hook.) The bark is rough with deep furrows and is a gray-brown color. The leaves of the Chinese necklace poplar are very large. Please try again later. Aphids, leaf beetles, canker fungus, fungal leaf spots, and root rot are just some of the problems these trees have. The big glossy triangular leaves dangle down from the stems. Their trunks are deeply furrowed. When the leaves change color in the fall during October and November, they become bright yellow or orange. Flowers: Red and greenish flowers, grow on eastern cottonwoods. Copyright © Gardenerdy & Buzzle.com, Inc.