Below: A leaf comparison of the four Minnesota native species of Populus plus the introduced P. alba. The leaf tapers to a long pointed tip. ), not the cottonwood tree.] Leaves are triangular, 3 to 7 inches long and 3 to 5 inches wide, alternate, simple, with long pointed tips and straight to heart-shaped bases and curved (slightly hooked) coarse teeth on the margin. The tree in the 2nd & 3rd photos, has a single trunk. These large trees can grow to between 50 and 80 ft. (15 – 24 m). deltoides. These trees can be enormous in size and prune themselves, sometimes dropping Cadillac size branches. Below: 1st photo - Plains Cottonwood leaves have long pointed tips and straight to heart-shaped bases, curved (slightly hooked) coarse teeth on the margin and a slender flattened stalk that has 2 glands at the base. The largest known Plains Cottonwood tree is more than 300 years old, 36 feet around and 105 feet tall. He sent many plants to Europe, including many to Linnaeus who considered him the ‘greatest natural botanist is the world'. I'm waiting for leaf fall at the tree at my work so I can take cuttings and put them in the pond. Mature trees in the state are usually 60 ′ to 80 ′ tall and up to 36 ″ in diameter at breast height. Members of the willow family, cottonwoods are named for the cotton-like mass of hairs surrounding their seeds. Each leaf is about 6 inches long and 4 inches wide. The plains cottonwood is a large, fast-growing, short-lived tree of the Great Plains and eastern border of the Rocky Mountains. Read on for more cottonwood tree facts. The color is red to yellow and each small flower on the catkin has a saucer shape basal disk with 30 to 40 stamens. Photo of cottonwood seeds by Steve Hurst / USDA/NRCS Plants Database. Male catkins (staminate) are in clusters of 2 to 4 at the branch tips. are native along many streams and rivers in the Western United States. Flowers: Cottonwood is dioecious, that is male and female flowers occur on separate trees. Then the capsule splits and releases 7 to 10 seeds per ovary chamber; the seeds are attached to white cotton-like hair and are dispersed far and wide by the wind in early summer. Wood is used in commercial production of things such as wooden pallets and paper. Cottonwoods (Populus deltoids) are massive shade trees that grow naturally throughout the United States. A crushed twig has a bitter aspirin taste. North Dakota tree handbook. The fruits split open when ripe and cotton-like material comes out carrying the seeds. Plains Cottonwood Trees (populus deltoides): the greenish-yellow bark of the young tree becomes rough and dark gray as it gets older. Here is some detailed information on the cottonwood tree. Catkins are also called 'aments'. The subspecies classification is as follows: Trees need to be about 10 to 15 years of age to produce seed. See All State Trees | National Tree. In 1765 he became “The King’s Botanist” for North America. Plains Cottonwood does not sucker; it can re-sprout from a stump but not vigorously but is a vigorous self-seeder. United States, ND. See All State Trees - National Tree. But nothing sounds quite like the whisper of a plains cottonwood’s glossy, shimmering leaves sighing in the wind, as if … The Plains Cottonwood tree (Populus sargenti) also known as the Poplar is a tall tree named for its cotton-like seeds. Planting history generally from 1, 4 & 4a. It is the state tree of Wyoming. monilifera, which is called the Plains Cottonwood. Within Minnesota, it is found in most counties with a few scattered exceptions, mostly absent in the NE section. Seed: After pollination, the female catkins elongate up to 6 inches in length and the fertilized flowers produce an elliptical seed capsule, green initially, turning brown. Below: 1st photo - is the typical rough and deeply furrowed bark of cottonwood trunks, - 2nd photo - frequently the trough of the furrow is lighter color. They are shiny green on top, pale green under, and have a long slender, flattened stalk which has 2 round glands on the top side. The species is divided into three subspecies or up to five varieties. Great Plains cottonwood (P. sargentii), of North America, has thick coarse-toothed leaves. It is the big tree on the banks of the mightiest rivers of the great plains, and the on the smallest streams. Trees require full sun and are generally shade intolerant. Cottonwood (Poplar) The cottonwood—also known as the poplar—is a tall tree with a spreading crown, named for its cotton-like seeds. Both male and female catkins have (+ or -) 15 to 40 individual flowers. No other tree approaches its stature on the grasslands that sweep five hundred miles from the ninety-eighth meridian to the foot of the Rockies. Below: 1st photo - the upper branches which have smoother gray-ish white bark. Fall color is a brilliant yellow. Identification: This deciduous hardwood tree is the most massive tree in Minnesota. Plains Cottonwood Facts The plains cottonwood is a large, fast-growing, short-lived tree of the Great Plains and eastern border of the Rocky Mountains. Seed germinates immediately. 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. Members of the willow family, cottonwoods are named for the cottonlike mass of hairs surrounding their seeds. It has 0 leaf glands and winter buds with hair. Friends of the Wild Flower Garden, Inc. 2nd photo - For a comparison, this is the very similar looking leaf of the Rio Grande Cottonwood, P. deltoides subsp. Bark: Yellowish-green and smooth on young trees but deeply furrowed in maturity. Provided by ND State Soil Conservation Committee. Flowers appear before the leaves and are wind pollinated. Over-wintering buds have fine hair. Both show the open crown. "www.friendsofthewildflowergarden.org". Photo by madpoet_one/Flickr (Noncommercial Use Permitted with Attribution). Cottonwood trees get their name from the fluffy cotton-like seeds produced by the female tree. Uses: Cottonwood wood is light, soft and weak but has a uniform texture so it is used in plywood, paper pulp, and lumber for uses not requiring bending or compression strength. These trees have been very important to the native people living in North America… 2nd photo - in the early spring, in process of elongation. The catkin stalks are of uniform length. These trees have a widespread foliage that can extend to 5 feet in diameter. Branches that fall into water will grow roots and shoots that will capable of becoming another tree. 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