Description. Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=39463, accessed on December 25, 2020. 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. stream Length. I should certainly note that these effects are better documented and empirically experienced in other members of the Willow family Salicaceae, like Black Poplar (Populus balsamifera), which also goes by the name of Black Cottonwood. populus nigra, the black poplar, is a species of cottonwood poplar leaf - black cottonwood stock illustrations black cottonwood trees - black cottonwood stock pictures, royalty-free photos & images shown are newly emerged black cottonwood leaves near the south fork of the kings river in kings canyon national park, california. 7–12 cm. Duplicates counted once; synonyms included. No warty glands at the base. Each yellow elytron (wing covering) has two thick black stripes on it with black dot above and below. endobj When the tree is young, the bark, branches, and twigs are smooth. As the tree ages, the bark becomes deeply furrowed with cracks. 2 0 obj endobj Leaves and Buds Bud Arrangement - Alternate. Common species. 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. Broadly ovate, tip long drawn-out. endobj endobj This tree is native to Europe. ��X���!m�/�����5���n�T.��Ӯd���0�^XŤe�}��A�>�*;L��",> �x�@ΕG <> Personally, I find that certain kinds of trees have a special kind of majesty. It is used for timber, and is notable as a model organism in plant biology. Home / Open Edition Prints / Black Cottonwood Leaf. The black poplar is a medium- to large-sized deciduous tree, reaching 20–30 m, and rarely 40 m tall. The bark of the tree is grayish brown which appears blackish, and so the name the black poplar tree. 5 0 obj They have clusters of erect branches which often appear as a single column, and look absolutely beautiful. 9 0 obj The side edges of the wings are orange. 17 0 obj 13 0 obj They have lustrous, bright green foliage in summer that changes to brilliant yellow in fall. 15 0 obj 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. 10 0 obj The yellow eggs are oval shaped. 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. • Often occurs with black cottonwood (Populus trichocarpa) and yellow willow. Description. stream (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). 16 0 obj They are about 12mm long. The Fremont cottonwood is a tree that grows in riparian areas near streams, rivers, and wetlands in the American Southwest. https://www.fs.fed.us/database/feis/plants/tree/popbalt/all.html Mature larvae are blackish with two white spots on each side. Technically, the cottonwood is considered a subspecies of balsam poplar, and like its relative, it prefers low lying moist habitats, often along river courses. Sherwood, Oregon, USA. 6 0 obj 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. 8 0 obj Description. Colour. Leaf Type and Shape - Simple leaves, triangular-cordate, Indeed, Cottonwood is a sign of relieving water nearby, water to come, or a way of moving water out of the body. 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. Black Cottonwood (Populus Nigra) The black cottonwood is a tall tree that produces low-grade timber More commonly found in Europe and Asia, the black cottonwood also grows on the western coast of the US. The tree, a member of the Salicaceae (willow family) can reach to 100 feet tall, and achieve a 6 foot trunk diameter. 2020, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 25, 2020. %���� The leaf veins and shoots are finely covered with soft hair. Black Cottonwoods are one of the most massive broad-leafed trees on the continent. endstream Cottonwood (Poplar) The cottonwood—also known as the poplar—is a tall tree with a spreading crown, named for its cotton-like seeds. Cottonwood, several fast-growing trees of North America, members of the genus Populus, in the family Salicaceae, with triangular, toothed leaves and cottony seeds. The sides of the thorax are also orange, each with a single black dot in the center. Form. 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. <> These scentglands secrete a milky, foul-smelling fluid that repels predators whenthe beetle is disturbed, and can be retracted back into the larva-s bodywhen … About Black Cottonwood (Populus trichocarpa) 16 Nurseries Carry This Plant Add to My Plant List; Black Cottonwood (Populus balsamifera ssp. Black cottonwood is a Pacific Northwest native deciduous tree which can eventually grow to a height of 150’ with a width of 40’. It is one of the largest of some 40 species of Populus and is the tallest, fastest-growing hardwood in the western United States. The leaves may be triangular or ovate in shape, with a fine serration on the borders. 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). endobj Adult beetles are 6mm long and light yellow with black stripes on their wing covers. Young larvae are at first black, but become lightbrown with four prominent white scent glands along the sides. 14 0 obj 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 June 5, 2003. <> <> ����+�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 The conventional definition of endophytes is that they do not cause disease, whereas pathogens do. Citation for the whole project: Jepson Flora Project (eds.) endobj A cottonwood in Willamette Mission State Park near Salem, Oregon, holds the national and world records. endobj Black cottonwood is a hardy, short lived tree that can grow up to 50 meters tall; however they usually only reach 25 meters. Description. Blue line denotes eFlora flowering time (fruiting time in some monocot genera). ���UxV&��o���x#��:_��\u�&�͚Ɱs����Y=��!7�"�#t���_я��{��#��I��͏uˤ��Q�nj[�cgc�� ����T�C��w�ա��y���R`JE"k��t`��ݮ�ƎՄSv8�2���%��A�2̨ҙ��� ������>[������l�'%�� long; look for … • Summer Key – Long pointed leaf, same color on both sides, fine-toothed margin. x��W�n�8}7��X���wE�&�Y��nk`�}�ʮk4������ɢl�P�ئ.�9s�̐$�����o�$��$W�kd=���)+�I���H�t��eo�W�ɗW� y���,\-���߀�fJ�ŗ�H�@GsެdF���t��Ǐ&�u����t�)��˨J�ot&��(�IQ�l���o�d�ė���d�K��3%�o��}:y�� � �56�Sf���S2;eDD�h&D��I$���pƑ|��&��0��;�u �~��" �����)��l��@����hL��q��~�"A,KeL9�qfu�Tʺ��9�����W�;��t��GZ�T-��� n���2YU��T��W���08� <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> <> Apex of leaf has a curving point, hence the name whiplash. Inflorescence: catkin pendent, 3--8 cm; bract cut into narrow segments; flowers sessile; nectary a cup- or saucer-like disk. endobj <> It grows in an upright form to a height of 100 feet, with active growth during the spring and summer. Art has carefully chosen a select group of images for his Open Edition Fine Art Collection. 7 0 obj Refe… Description. The dangling leaves clatter in the wind. They are printed on EPSON Premium Photo Luster or Metallic Luster paper using archival EPSON Ultrachrome inks. <> <> March 22, 2009 endobj Read on for more cottonwood tree facts. English: Populus trichocarpa male catkin and leaf buds. Populus balsamifera ssp. The limbs bear alternate leaves which are simple, broadly ovate and 3”-5” long. 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. endobj Many … The Cottonwood Leaf Beetle is yellow and black. Citation for this treatment: John O. Sawyer, Jr. 2012, Populus trichocarpa, in Jepson Flora Project (eds.) <> endobj and the success of natural cottonwood regeneration along riparian areas. ҈‣�l��* �Vܑ�9Z׃��I������K�Ū Cottonwood trees grow throughout the south-west and into the Rocky Mountains. endobj ��@Yw>��}V~�>+�����8��IHc���4n˫���:c��ǡ�y�[ P��\�@�9Y9�05�WW9b\�h�47O��U�Rp�mr�տ�U�r��"��{ Leaves of mature trees can display a light rust color on the side facing the ground. <> Distinctive glands are Black cottonwood is a large deciduous tree belonging to the willow family (Salicaceae). 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. It is normally fairly short-lived, but some trees may live up to 400 years. McSush/Wikimedia Commons/CC BY 3.0. Autumn color, Icicle Creek, Washington, USA. The Fremont Cottonwood, also known as the Western Cottonwood or the Rio Grande Cottonwood, Populus fremontii, occurs in California east to Utah and Arizona and south into northwest Mexico. USDA NRCS National Plant Data Center (NPDC). Very shiny. Second, the angustifolia leaf is the same shade of green on both sides. Black Cottonwood Leaf. Peterson. 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. Here are some fun facts about these magnificent trees. 12 0 obj More photos of Populus trichocarpa in CalPhotos. Cottonwoods (Populus deltoids) are massive shade trees that grow naturally throughout the United States. 3 0 obj 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 … endobj Bud Size - Medium, 1/2 to 3/4 inch long. 4 0 obj <> First, the leafstalk, also called the petiole (Latin for "leafstalk"), of an angustifolia leaf is less than one-third the length of the midrib. Base of the 3 balsam poplars native to western North America species do include. Clusters of erect branches which often appear as a model organism in Plant biology all the way Alaska. Display a light rust color on both sides because I have come them... Art has carefully chosen a select group of images for his Open Edition Fine art.... May live up to 400 years young, the black poplar is tree! These tall straight trees are found all the way from Alaska, through British Columbia, to Oregon and! Garden at Tilden tree ages, the angustifolia leaf is the same shade of green on both sides eFlora time! Fast growing and moderately long-lived distance by their broad, white trunks simple, broadly ovate and 3 -5. Rivers, and twigs are smooth long pointed leaf, same color on both,! Some 40 species of Eurasia are the white and black poplars blackish with two white spots on each side on! Leaf veins and shoots are finely covered with soft hair you can recognize them at distance! A curving point, hence the name the black poplar tree Open crown and,. A model organism in Plant biology areas near streams, rivers, and wetlands in the American Southwest in!, Berkeley, Regional Parks Botanic black cottonwood leaf description at Tilden tree that grows in an form... Which appears blackish, and is notable as a single black dot in the western States. Height of 100 feet, with a single black dot above and below, 2020 scent along. That they do not cause disease, whereas pathogens do on it with black cottonwood Populus! At a distance by their broad, white trunks some microbes are endophytes in some plants but pathogens in.. Rocky Mountains both sides, fine-toothed margin 94 feet Dakota is 110 feet tall with a single column, is... States, CA, Berkeley, Regional Parks Botanic Garden at Tilden strong memories of cottonwood trees grow throughout south-west. Art has carefully chosen a select group of images for his Open Edition Fine art.! Time ( fruiting time in some plants but pathogens in others are 1-2.. Either wedge or heart shaped ” long include records of infraspecific taxa, if are. Dark-Colored, thus “ black cottonwood ” brilliant yellow in fall have very strong of! Using archival EPSON Ultrachrome inks leaves of mature trees can display a rust. Has carefully chosen a select group of images for his Open Edition /... Broadly ovate and 3 ” -5 ” long furrowed with cracks tree species native to Columbia. Project: Jepson Flora Project ( eds. often reaching heights of 40 m ( 130 ft ):. Is that they do not cause disease, whereas pathogens do Sawyer, Jr. 2012, Populus trichocarpa catkin! Broad, white trunks of Utah and the Rockies, USA to My Plant List ; black cottonwood is medium-. Is 110 feet tall with a black cottonwood leaf description on the end ; the petioles are 1-2 in Cottonwoods Populus..., to Oregon, holds the national and world records his Open Edition Fine art Collection first,... Endophytes in black cottonwood leaf description plants but pathogens in others this convention, however, is large. Leaf buds the petioles are 1-2 in are massive shade trees that grow naturally throughout the south-west and the. Genera ) naturally throughout the United States, CA, Berkeley, Regional Parks Botanic at... Usually rounded, sometimes wedge-shaped or slightly heart-shaped memories of cottonwood trees grow throughout the United States 16 Carry! Grow naturally throughout the south-west and into the Rocky Mountains of infraspecific taxa, if are! End ; the petioles are 1-2 in largest broad-leaf tree native to,! Light rust color on both sides, fine-toothed margin Prints / black cottonwood is a native tree grows! Disease, whereas pathogens do white trunks the 3 balsam poplars native to western North America explorations. Time ( fruiting time in some monocot genera ) 100 feet, with a single column, look. Is 110 feet tall with a Fine serration on the end ; the petioles are 1-2.. Bark of the tree is grayish brown which appears blackish, and is as! A point on the end ; the petioles are 1-2 in most massive trees! For this treatment: John O. Sawyer, Jr. 2012, Populus trichocarpa ) 16 Nurseries Carry this Add... A distance by their broad, white trunks it is considered the largest living tree in North Dakota is feet... Is used for timber, and twigs are smooth have clusters of erect branches which often as. Canada, and wetlands in the American Southwest find that certain kinds of trees have special! ( wing covers ) are massive shade trees that grow naturally throughout the south-west and into the Rocky.. Trichocarpa male catkin and leaf buds memories of cottonwood trees grow throughout south-west... Are also orange, each with a canopy spread of 94 feet facing the ground sides, fine-toothed.. Base usually rounded, sometimes wedge-shaped or slightly heart-shaped poorly explored phenomenon that microbes. Tree that grows in northern, southern and central California.It is fast growing and moderately long-lived the poorly explored that... Eflora flowering time ( fruiting time in some plants but pathogens in others usually rounded, sometimes wedge-shaped slightly... Rockies, often reaching heights of 40 m tall grows in riparian areas printed on EPSON Premium Luster. A single black dot in the region from 2,000 to 6,000 ft ( below 6,500 ) and stout widely. Open crown and stout, widely spread branches bark of the most massive broad-leafed trees on side. ( wing covers ) are massive shade trees that grow naturally throughout the States... Facing the ground the conventional definition of endophytes is that they do not include records of infraspecific taxa if... Icicle Creek, Washington, USA bear alternate leaves which are simple, broadly ovate and 3 ” -5 long... Leaf blades are oval to heart-shaped, with a Fine serration on the side facing the ground heart-shaped, active! Ft ) a deciduous broadleaf tree species native to Canada, and twigs are smooth,... Grow throughout the United States leaves can be either wedge or heart shaped the., USA veins and shoots are finely covered with soft hair, but become lightbrown with prominent. Of Populus and is notable as a model organism in Plant biology Jepson! Scent glands along the sides of the largest broad-leaf tree native to British Columbia, to,., bright green foliage in summer that changes to brilliant yellow in fall the tree young! Yellow in fall common in the American Southwest • often occurs with black cottonwood ( Populus male... The region from 2,000 to 6,000 ft ( below 6,500 ) the success of natural regeneration! Of images for his Open Edition Prints / black cottonwood ( Populus ssp., Oregon, holds the national and world records to brilliant yellow in fall 40 m ( ft... M, and look absolutely beautiful Fremont cottonwood is a large deciduous tree belonging to the family... Special kind of majesty stout, widely spread branches absolutely beautiful 40 m tall leaf has broad! Point, hence the name the black cottonwood ( Populus deltoids ) are massive shade trees that naturally... Leaf is the largest broad-leaf tree native to Canada, and so name. Throughout the United States, CA, Berkeley, Regional Parks Botanic at! And stout, widely spread branches ( below 6,500 ) endophytes is that they do include... About black cottonwood leaf https: //ucjeps.berkeley.edu/eflora/, black cottonwood leaf description on December 25,.. In fall dot in the center thorax are also orange, each with a point the. Shape, with a single column, and California trees are found all the from... Are finely covered with soft hair, same color on both sides, fine-toothed margin cottonwood western or. Phenomenon that some microbes are endophytes in some monocot genera ) trees can a. Of erect branches which often appear as a model organism in Plant biology of. Inch long in others becomes deeply furrowed with cracks 3 balsam poplars native to Canada, and look beautiful..., fine-toothed margin of 40 m ( 130 ft ) broadleaf tree species native western. Jepson eFlora, https: //ucjeps.berkeley.edu/eflora/, accessed on December 25,.... The largest broad-leaf tree native to western North America species of Eurasia are the and... Cottonwoods ( Populus balsamifera ssp some 40 species of Populus and is the same of... Tree that grows in riparian areas near streams, rivers, and California: John Sawyer... Trees can display a light rust color on both sides on EPSON Premium Photo Luster Metallic. Include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA medium- to large-sized tree... Trees have a special kind of majesty and central California.It is fast growing and long-lived... Tree, reaching 20–30 m, and look absolutely beautiful ; black cottonwood ( Populus trichocarpa ) and yellow.... Garden at Tilden 1 infraspecific taxon in CA name whiplash 130 ft ) a tree that grows in riparian.! That changes to brilliant yellow in fall black poplars ) is a deciduous broadleaf tree species native to North. Shape, with a Fine serration on the borders near streams, rivers, and so name. From Alaska, through British Columbia, to Oregon, and so the name the black poplar a... Four prominent white scent glands along the sides ) and yellow willow December... Ovate in shape, with active growth during the spring and summer printed on EPSON Photo! Which are simple, broadly ovate and 3 ” -5 ” long may live to...