The base of the leaves can be either wedge or heart shaped. I have very strong memories of cottonwood trees because I have come across them a lot in my explorations of Utah and the Rockies. 2020, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 25, 2020. Very shiny. endobj About Black Cottonwood (Populus trichocarpa) 16 Nurseries Carry This Plant Add to My Plant List; Black Cottonwood (Populus balsamifera ssp. It has a broad, open crown and stout, widely spread branches. Mature larvae are blackish with two white spots on each side. Leaf: juvenile, adult, late-season leaves may differ in size, shape, hairiness; generally glabrous; blade 3--11 cm, elliptic to deltate, veins pinnate or +- palmate, tip generally elongate. These species include the larvae of Plectrodera scalator (Cottonwood Borer) and other wood-boring beetles, Chrysomela scripta (Cottonwood Leaf Beetle), various aphids, and the caterpillars of many moths (see Insect Table and Moth Table). <> 3 0 obj ©J.S. Studying leaf shape and the arrangement of leaves on a stem is the most common way of identifying a … <> 7 0 obj USDA NRCS National Plant Data Center (NPDC). ��@Yw>��}V~�>+�����8��IHc���4n˫���:c��ǡ�y�[ P��\�@�9Y9�05�WW9b\�h�47O��U�Rp�mr�տ�U�r��"��{ endobj 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. Black cottonwood is a medium- to large-sized (exceptionally over 60 m tall), deciduous broad-leaved tree, at maturity with a narrow, sometimes columnar crown, with a few thick ascending branches and dark gray, irregularly shaped furrows. stream <> The bark is rough and dark-colored, thus “black cottonwood”. Named after 19th century American explorer John C. Fremont, it is similar to the Eastern Cottonwood, differing mainly in the leaves having fewer, larger serrations on the leaf edge and small … 9 0 obj Description. endobj https://www.fs.fed.us/database/feis/plants/tree/popbalt/all.html Cottonwood trees grow throughout the south-west and into the Rocky Mountains. Bud Size - Medium, 1/2 to 3/4 inch long. endobj Form. The elytra (wing covers) are yellow withbroken black stripes. Upper surface dark green. This tree is native to Europe. The side edges of the wings are orange. It is considered the largest of the 3 balsam poplars native to Canada, and the largest broad-leaf tree native to British Columbia. 16 0 obj ��X���!m�/�����5���n�T.��Ӯd���0�^XŤe�}��A�>�*;L��",> �x�@ΕG The limbs bear alternate leaves which are simple, broadly ovate and 3”-5” long. Cottonwood is a well-known, common tree along rivers and streams throughout the West.Cultivation of hybrid poplars (Populus trichocarpa x. P. deltoides) can produce very high yields of fiber or fuel in 2-to-8-year rotations. Last measured in April, 2008, this black cottonwood was found to be standing at 155 ft (47 m) tall, 29 ft (8.8 m) around, with 527 points. 2 0 obj Home / Open Edition Prints / Black Cottonwood Leaf. Normally, their trunks achieve up to 1.5 m in diameter, but some unusual individual trees in France have grown old enough to have much larger trunks – more than 3 meters DBH. Distinctive glands are endstream ҈‣�l��* �Vܑ�9Z׃��I������K�Ū <> Art has carefully chosen a select group of images for his Open Edition Fine Art Collection. 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. A cottonwood in Willamette Mission State Park near Salem, Oregon, holds the national and world records. Adult cottonwood leaf beetles, Chrysomela scripta Fabricius (Coleoptera:Chrysomelidae), are approximately 1/4" long with a black head and thorax.The thorax has reddish margins. 1 0 obj ����+�ŷ�H�*�f#�3�K�;��-Ȁ�C�0�����*w�kV�@�3q�}�����n�ΰT-���\3/���(����:,O�h��B��Ȼ@�ʵ��ԕ����eO�X�8i�o�����k߸�N��otf\��L'� ��bCq��9����B~I����r�r���f�@�!�zٯ=�A�$Cڷ~�����ɽ��Cـ]�� ��z�����ø�4$*|�L�6C ��M5U and the success of natural cottonwood regeneration along riparian areas. Blue line denotes eFlora flowering time (fruiting time in some monocot genera). Leaves and Buds Bud Arrangement - Alternate. <> H ere's one way to determine whether the narrower leaf pictured on the preceding page is from a narrow leaf (angustifolia) or a black cottonwood. endobj Autumn color, Icicle Creek, Washington, USA. United States, CA, Berkeley, Regional Parks Botanic Garden at Tilden. It is one of the largest of some 40 species of Populus and is the tallest, fastest-growing hardwood in the western United States. <> <>>> Cottonwoods (Populus deltoids) are massive shade trees that grow naturally throughout the United States. The white poplar (P. alba)—also known as silver poplar for its leaves, which have white felted undersides, and as maple leaf poplar for the leaves’ lobed margins—is widely spreading or columnar in form, reaching 30 metres (100 feet) in height. The black poplar is a medium- to large-sized deciduous tree, reaching 20–30 m, and rarely 40 m tall. 5 0 obj endobj endobj Description. The largest living tree in North Dakota is 110 feet tall with a canopy spread of 94 feet. As the tree ages, the bark becomes deeply furrowed with cracks. The Fremont cottonwood is a tree that grows in riparian areas near streams, rivers, and wetlands in the American Southwest. <> Refe… <> Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA. The Cottonwood Leaf (Populus Deltoides) Lower surface mostly hairless. Adult beetles are 6mm long and light yellow with black stripes on their wing covers. Leaves of mature trees can display a light rust color on the side facing the ground. Populus balsamifera ssp. Citation for the whole project: Jepson Flora Project (eds.) When the tree is young, the bark, branches, and twigs are smooth. First, the leafstalk, also called the petiole (Latin for "leafstalk"), of an angustifolia leaf is less than one-third the length of the midrib. The bark of the tree is grayish brown which appears blackish, and so the name the black poplar tree. Bud Color - Chestnut-brown, sticky, conical. 6 0 obj (Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence). Black Cottonwoods are one of the most massive broad-leafed trees on the continent. Personally, I find that certain kinds of trees have a special kind of majesty. The Cottonwood Leaf Beetle is yellow and black. They are printed on EPSON Premium Photo Luster or Metallic Luster paper using archival EPSON Ultrachrome inks. <> It is normally fairly short-lived, but some trees may live up to 400 years. 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