Cottonwood is moderately light in weight, moderately soft . Although it does not present a serious pest problem in forests, often it is a severe pest of urban ornamental trees. Crenate Leaf Margin. Leaves are alternate. It is an easy-to-transplant but short-lived, messy, brittle tree. Populus deltoides monilifera ---Plains Cottonwood Leaf bud scales are slightly hairy; leaf blades with smaller glands than P. d. deltoides. Leaf Type. Buds at the branch tips . TWIGS are yellowish-brown and have knobby leaf scars. Leaf is thin, papery. The leaf petiole is 3 to 4 inches long and flattened. The teeth of the leaves are slightly hooked. Coffeetree Kentucky Leaf Cottonwood Plains Leaf Cottonwood Narrowleaf Leaf Elm Siberian Leaf European Mountainash Leaf Ginko Leaf . Leave shape is highly variable, even on one stem. It is used for timber, and is notable as a model organism in plant biology . After mating, females lay eggs in groups of 15-75 on the undersides of leaves. Whorled Leaf Arrangement. simple. 18a - Leaf simple go to 19. Narrow, translucent. The Tree is a deciduous tree, it will be up to 30 m (99 ft) (rarely up to 50 m (164 ft)) high. Leaf: Alternate, simple, pinnately veined, 3 to 6 inches long, triangular (deltoid) in shape with a crenate/serrate margin. The scent of the fragrant buds in spring is extremely welcome after long months of northern winters. It is a shallow rooted species with most roots found in the uppermost layers of the soil. Fruit- a scattered willow-leaved poplar and mountain cottonwood. One of the fastest-growing trees, Fremont Cottonwood grows at a rate of 10 to 20 feet per year, reaching a height of up to 90 feet at maturity. Cottonwood buds are also somewhat distinctive, in winter and early spring they are large, long, and pointed. 38-4). Bark: Bark Color: Light Brown Light Gray Surface/Attachment: Scaly Bark Description: Scaly grey-brown bark Stem: Leaves . Cottonwoods have distinctive triangular or "deltoid" LEAVES. Cottonwood leaves are triangular with course teeth along the margins. Image by Wikimedia Commons. Their leaf stems are flattened lengthwise so the leaves flutter in the breeze like those of the related quaking aspen. The thorax is mostly black, with several yellow or reddish margins. Late in the season, new leaves may be conspicuously attacked, but damage to the tree is minor. The leaf margins are finely serrated. . Oval or egg-shaped, pointed tip, round or wedge-shaped base. Alternate, simple, broadly triangular, 3 to 5 inches long with coarse, incurved-toothed margins and a smooth base. When the larva matures, it reaches a length of half an inch. Genus Populus. Leaves are shiny green above and have two to five prominent, fingerlike glands where the long, flattened petiole attaches to the leaf. Leaves are green in summer, turning yellow or brown in fall. Common cottonwood seedling. Cottonwood Leaf Beetle. The LEAF base is straight across or angled somewhat back toward the twig. . Cottonwoods are dioecious, meaning there are male and female plants. The leaves turn . Leaves: The leaf blade is 2 to 3.5 inches (2.5 to 9 cm) long; width is more than half the length, but not as wide as plains cottonwood leaves. Though necklace poplar (also known as eastern cottonwood) is a short-lived tree, already old at age 75, it can grow to 100 feet (30m) or more in height in its native streamside habitats. Salix cordata (dune willow) leaf clearing showing resin glands. scalloped margins. 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. The cottonwood leaf beetle adult is a somewhat flattened, red or red orange beetle and is about 3/8 inch long. Tree leaf margins or edges - identification chart. The thorax has reddish margins. Cottonwood leaf beetle passes through four stages during its life cycle: an egg stage, a larval stage, a pupal stage, and an adult stage. Several generations are produced each year. Leaf infection precedes twig or stem infection. Specific Epithet deltoides. You can further distinguish this species from all other Nolina by its fibrous-shredding leaf margins. May have tufts of hair in veins axils beneath. Young leaves slightly hairy at first and becoming smooth at maturity. Populus deltoides (cottonwood) stem with stipules secreting resin. . The major differences in appearance between the three species are in the leaf margins (edges), bark color and texture. Double Serrate Leaf Margin. Flower Color. DAMAGE: Adults feed on leaf margins and cause shothole damage. Oval or lance shaped with finely toothed margins. Damage: Notching of leaf margins, girdling of root crowns, wilting, death. For many types of leaves, their overall shape and pattern are greatly defined by their margins. Cultural Requirements. Tree leaf chart Leaf margins have many types of edging. Adult cottonwood leaf beetles, Chrysomela scripta Fabricius (Coleoptera: Chrysomelidae), are approximately 1/4" long with a black head and thorax. monilifera (also known as Populus sargentii )- Plains Cottonwood: 60-80' spread 50-60' Hardy to 7,000 ft. Wyoming State Tree! The leaf on the right, with the long petiole, is from a Populus deltoides, or Plains and eastern cottonwood. The elytra (wing covers) are yellow with broken black stripes. Serrate Leaf Margin. the leaf blade margin is serrate (with forward-pointing) or dentate (with outward-pointing) with medium-sized to coarse teeth; Monitoring: Look for damage and insects on or under trees during summer . Wats.) Native. These medium-sized trees are good for landscaping and shade. Once you have collected your data, complete the summary data tables (5, 6 & 7). Leaf margins can be finely classified based on at least a dozen unique characteristics. Long (up to 4 inches), slender petiole swollen at each end. Cottonwood health benefits. The petiole is flattened and glands are present at the top of the petiole. Mature larvae are gray with several rows of black spots running down the body. Smooth grayish brown bark becomes deeply grooved and dark gray as it ages. 43b - Leaf margin not wavy or only slightly wavy; margin . . Leaf Margins: Crenate. are large, quick-growing trees valued for their vibrant autumn foliage. The leaves of Crack willow are lanceolate, up to 16 cm (6.3 in) long and 2 - 3 cm (0.8 - 1.2 in) broad. Yellow fall color. skeletonize leaves, whereas older larvae and adults remove tissue from the leaf margin. Common in the region from 2,000 to 6,000 ft (below 6,500). Often the description can vary because of the maturity of the leaf. Description. deltoid leaf with crenate margin; flat petiole; gray, furrowed bark; NOTES: swamp cottonwood (Populus heterophylla) is a very similar tree; its range is roughly the same as Populus deltoides, but it is a medium-sized tree with leaves having a rounded or cordate base and round petioles. . Plant in the full sun and moist, well-drained soil, preferably within 15-50 ft above stream level. Common cottonwood tree. Leaves and Buds Bud arrangement - Alternate. The adults overwinter in bark crevices, leaf litter, and other debris. Choke-cherry (Prunus virginiana) . Osage-orange. The adults hibernate under bark, litter, and forest . The leaves are pinnated and the flowers are greenish. Margins are outlined by a colorless border. Trunk/branches: droop as the tree grows, and will require pruning for vehicular or pedestrian clearance beneath the canopy; not particularly showy; should be grown with a single leader; no thorns Bark: gray brown and irregularly furrowed Pruning requirement: requires pruning to develop strong structure Breakage: susceptible to breakage either at the crotch due to poor . Deep glossy green above, dull green below. 1b - Alternate leaf arrangement go to 18. BARK loses its smoothness earlier than the other Populus . Specific Epithet deltoides. ( Pieris japonica) Note: The margin of the Eastern Cottonwood is a bit difficult to discern. Eastern cottonwood is a large, fast-growing tree found along streams, rivers, and lowland areas. Leaf Arrangement Alternate. Description. All tree leaves exhibit marginsthe blade-like edges of the leavesthat are either serrated or smooth. It falls somewhere between crenate to serrate, and is even considered to be dentate in some texts. - Pale green larvae about 1/4 inch (6 mm) long fold over leaf margins and tips, fastening the edges with silk to form shelters in which they feed. Its large, wide-spreading limbs start to leave the . The common name of cottonwood comes from the appearance of these hairs, which resemble cotton. Leaf buds are large, 1 inch long, reddish-green and pointed. Leaf Length - 2 to 5 . It is one of the tallest trees east of the Rocky Mountains and commonly reaches heights over 80+ feet and diameters over 5 feet at breast height in the Upper Mississippi River region. Septoria Canker (fungus - Septoria musiva or Mycosphaerella populorum): Cottonwood and Lombardy varieties are susceptible. Crack Willow. The Black Walnut is botanically called Juglans nigra. The leaves are triangular to heart shaped with coarsely toothed margins. Leaves Alternate, simple, broadly triangular, 3 to 5 inches long with coarse, incurved-toothed margins and a smooth base. Life History: Adults emerge in spring. terminal bud present, large, resinous, glossy, smooth, chestnut brown in color; lateral buds smaller, in many instances bending away from the twig. Its margin is DESCRIPTION: Swamp Cottonwood (family Life Cycle. Young larvae are at first black, but become light brown with four prominent white scent glands along the . . Leaf Margin. Arboretum Collection LT. Lifecycle. Bark Ridge and furrowed. 1-2 inches wide. 43b - Leaf margin not wavy or only slightly wavy; margin obviously toothed go to 44 44a - Petiole long, 1-3 inches Lanceleaf Cottonwood Description Leaf: 2-4 inches long. Margin. It is one of the tallest trees east of the Rocky Mountains and commonly reaches heights over 80+ feet . The photos show the trees in their swamp habitat; the upper surface of a mature leaf with a shiny, glaucous surface, heart-shaped leave base, and teeth along the leaf margins; and the paler underside of the leaf with retained hairs near the petiole. Identification. Apex of leaf has a curving point, hence the name whiplash. The leaf stalks . Populus fremontii, commonly known as Cottonwood is a fast-growing deciduous tree native to riparian zones of the Southwestern . One last identification feature is to follow the cotton in early summer. Upper surface bright shiny green. Flower . - Maggots of a fly midge feed in the tightly rolled margins of developing cottonwood leaves and . Alternate leaves are 4-5" long and 3-4" across; they are deltate-ovate in shape and crenate-dentate along their margins. Lanceleaf cottonwood trees grow to between 40 and 60 ft. (12 - 18 m) and have a spread of up to 40 ft. (12 m). Very shiny. Native, big, fast growing and hardy. Notable drooping clusters of pea-sized cherries. Like Black Cottonwood, its leaves are often covered in splashes of resin and are a vibrant yellow-green color. Leaf Type Simple. Leaf Type and Shape - Simple leaves, deltoid to lanceolate, petioles are generally flattened. Common Osier. Young larvae skeletonize leaves and, as they mature, consume all but the main leaf margins. These leaves have a toothed margin and an elongated tip. The petiole is flattened and glands are present at the top of the petiole. These stately trees can grow to well over 100 feet tall, HOST: The preferred hosts of cottonwood leaf beetle are cottonwood ( Populus deltoides ), other poplars, and some species of willow, particularly basket willow ( Salix viminalis ). The margins of the beetle are red, the head and thorax are black and the abdomen is yellow with black interrupted stripes. Teeth smaller and more numerous on neoformed leaves. Leaf Size 3 to 5" long and wide. . 50 - 70 feet height. Flowers: Cottonwood Leaf Beetle Chrysomela scripta Family Chrysomelidae Native Pest Hosts: Cottonwood, other poplars and willows. Trunk and Branches. Alternate Leaf Arrangement. Leaves - alternate, simple, broadly triangular, 3 to 5 inches long, coarsely serrate margin, square base, long and laterally flattened leaf stalk. Populus deltoides ssp. The cottonwood leaf beetle, Chrysomela scripta Fabricius, is one of the most economically-important pests of managed cottonwood, aspen and some poplar and willow species. Populus balsamifera subsp. Populus trichocarpa, the black cottonwood, [1] western balsam-poplar [2] or California poplar, is a deciduous broadleaf tree species native to western North America. The underside of the leaf is silver-gray. The head and thorax are black, and the margins of the thorax are yellow or red. Margins are toothed and the leaf is 3-5 inches long. Identification usually depends on finding . Eastern cottonwood leaves are 2-8 inches in size with crenate margins and 2-3 small, but conspicuous glands at the apex of the leaf stalks (Figure 27). A quick method to approximate the area of a leaf is to multiply leaf length x leaf width x 2/3 (Manual of Leaf Architecture). Some cankers are flat, others are swollen at the margins. Usually more than one bud per leaf scar. Eastern Cottonwood Populus deltoides. FS-06342 . There. . Leaf Size 3 to 5" long and wide. Distinguishable Traits: Smaller tree with an irregular crown. Petioles are flattened and ribbon-like, allowing leaves to quiver in the breeze. The name refers to the cottony filaments attached to the seeds that are bore in catkins. The tree likes sun at the location and the soil should be drained, deep, nutrient-rich soils. serrate. Populus deltoides (cottonwood) adaxial surface of live stipule with fresh resin. Leaf Surface - Glabrous, to lightly pubescent beneath. The Cottonwood Leaf (Populus Deltoides) This is one of the largest North American hardwood trees. Lower surface slightly paler. The yellowish-green leaves are heart-shaped with coarsely scalloped margins and are often stained with milky resin. Margins are outlined by a colorless border. Key Steps. They have . Note that by contrast the Narrowleaf cottonwood and Balsam poplar have short leaf . bark and raised, irregularly concentric rings of unbroken bark. Quaking aspen has smaller heart-shaped to circular (orbicular) leaves with fine . Although the cottonwood leaf beetle does not seriously affect trees . Margins are outlined by a colorless border. The name refers to the cottony filaments attached to the seeds that are bore in catkins. Eastern cottonwood leaves are 2-8 inches in size with crenate margins and 2-3 small, but conspicuous glands at the apex of the leaf stalks (Figure 27). Alternate, simple, broadly triangular, 3 to 5 inches long with coarse, incurved-toothed margins and a smooth base. Flower: Species is dioecious; male and female as pendulous catkins, appearing before the leaves. Its top is a smooth shiny green and its bottom is a downy pale green. Black Willow. Leaf Margins - Coarsely-dentate to entire. and Goodding willow (Salix gooddingii Ball), and one exotic riparian tree species, saltcedar (Tamarix chinensis . The upper leaf surfaces are medium green and glabrous, while their lower surfaces are pale green, hairless, and dull. Petioles are flattened on a plane perpendicular to the leaf and there are 2-5 finger-like projections (glands) at the point where the leaf blade meets the petiole. Entire Leaf Margin. Cottonwood (Populus balsamifera), also known as Balm of Gilead, or Balsam Poplar is a fast-growing deciduous tree native to northern parts of North America. Strawberry Root Weevil . . Leaf Margin Serrated. Description. Cottonwood tree identification A broad, irregularly rounded canopy with coarse, spreading branches. Leaves are shiny green above and have two to five prominent, fingerlike glands where the long, flattened petiole attaches to the leaf. The cottonwood is a large, woody tree native to Kansas. Flowers: The leaf margins are finely toothed. Brayshaw. Salix lucida (shining willow) resin gland secreting resin strands. Photos by, and courtesy of, Karen Searcy. Fremont Cottonwood has wide heart shaped simple leaves with roughly scalloped or crenate leaf margins. Leaf Shape. The eastern cottonwood (Populus deltoides) is a large, fast-growing tree that prefers moist, well-drained soils near wetlands and waterways. Leaves are shiny green, simple, finely serrated, alternate, 2 to 5 inches long and 1/2 to 1 wide. Colour. Genus Populus. Alternate, deciduous, broadly triangular, 1.6 to 5.6 inches long, .6 to 6 inches wide, thick, firm, glabrous; upper surface green, shiny; lower surface paler; margins toothed, teeth incurved; stalk slender, 1.2 to 3+ inches long; base flat or wedge-shaped to heart-shaped; tip long-tapering to point; leaves bright yellow in autumn. For urban foresters, homeowners, and arborists. 22e - All leaves unlobed go to 31. deltoid, ovate, suborbicular. Leaves are shiny green above and have two to five prominent, finger-like glands where the long, flattened petiole attaches to the leaf. The cottonwood is a large, woody tree native to Kansas. Leaf stalks are long - at least 0.5 to 0.75 the length of the blade. Leaf: Alternate, simple, pinnately veined, 3 to 6 inches long, triangular (deltoid) in shape with a crenate/serrate margin. Alternate, deciduous, broadly triangular, 1.6 to 5.6 inches long, .6 to 6 inches wide, thick, firm, glabrous; upper surface green, shiny; lower surface paler; margins toothed, teeth incurved; stalk slender, 1.2 to 3+ inches long; base flat or wedge-shaped to heart-shaped; tip long-tapering to point; leaves bright yellow in autumn. Broadly triangular, finely . Eastern Cottonwood Populus deltoides. Often found by creeks and streams. The leaf . Leaves . The thorax is seen with yellow margins, and the wing covers have a yellow shade with many black lines. Cottonwood trees (Populus spp.) School of Renewable Natural Reources: Louisiana Plant . is well documented (Brown, 1956; Burkot and Benjamin, . Tip longer than eastern cottonwood. . . This tree has an alternate leaf arrangement with 2 to 5 inch long simple triangle-shaped deciduous leaves. The young larvae are black in color with 2 white patches on both sides. The plains cottonwood, (Populus deltoides), dominates the stream banks along the Bighorn River below the mouth of Bighorn Canyon. Eastern cottonwood leaf Eastern cottonwood .