When the tree is young, the bark, branches, and twigs are smooth. 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 … Common in the region from 2,000 to 6,000 ft (below 6,500). 16 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). Base usually rounded, sometimes wedge-shaped or slightly heart-shaped. endobj English: Populus trichocarpa male catkin and leaf buds. Black cottonwood is a large deciduous tree belonging to the willow family (Salicaceae). 13 0 obj 9 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. Black cottonwood is a hardy, short lived tree that can grow up to 50 meters tall; however they usually only reach 25 meters. Common species. Here are some fun facts about these magnificent trees. I have very strong memories of cottonwood trees because I have come across them a lot in my explorations of Utah and the Rockies. <> Description. endobj endobj 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. Broadly ovate, tip long drawn-out. 1 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. <> endobj 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. Black Cottonwood Leaf. More photos of Populus trichocarpa in CalPhotos. The dangling leaves clatter in the wind. It grows in an upright form to a height of 100 feet, with active growth during the spring and summer. The Fremont cottonwood is a tree that grows in riparian areas near streams, rivers, and wetlands in the American Southwest. The Cottonwood Leaf Beetle is yellow and black. endobj Cottonwood, several fast-growing trees of North America, members of the genus Populus, in the family Salicaceae, with triangular, toothed leaves and cottony seeds. long; look for … Bud Color - Chestnut-brown, sticky, conical. 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. Leaf Type and Shape - Simple leaves, triangular-cordate, Young larvae are at first black, but become lightbrown with four prominent white scent glands along the sides. Sherwood, Oregon, USA. The base of the leaves can be either wedge or heart shaped. stream They are printed on EPSON Premium Photo Luster or Metallic Luster paper using archival EPSON Ultrachrome inks. ���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�'%�� It is normally fairly short-lived, but some trees may live up to 400 years. Distinctive glands are The leaves may be triangular or ovate in shape, with a fine serration on the borders. United States, CA, Berkeley, Regional Parks Botanic Garden at Tilden. 10 0 obj Blue line denotes eFlora flowering time (fruiting time in some monocot genera). Apex of leaf has a curving point, hence the name whiplash. <> Adult beetles are 6mm long and light yellow with black stripes on their wing covers. March 22, 2009 ����+�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 Technically, the cottonwood is considered a subspecies of balsam poplar, and like its relative, it prefers low lying moist habitats, often along river courses. It has a broad, open crown and stout, widely spread branches. USDA NRCS National Plant Data Center (NPDC). 5 0 obj <> • Often occurs with black cottonwood (Populus trichocarpa) and yellow willow. <> 11 0 obj 15 0 obj Description. Many … endobj Cottonwoods (Populus deltoids) are massive shade trees that grow naturally throughout the United States. Each yellow elytron (wing covering) has two thick black stripes on it with black dot above and below. 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� %���� and the success of natural cottonwood regeneration along riparian areas. endobj 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. <> 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 … ��X���!m�/�����5���n�T.��Ӯd���0�^XŤe�}��A�>�*;L��",> �x�@ΕG <> 3 0 obj endobj 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. Cottonwood (Poplar) The cottonwood—also known as the poplar—is a tall tree with a spreading crown, named for its cotton-like seeds. Two well-known poplar species of Eurasia are the white and black poplars. Black Cottonwoods are one of the most massive broad-leafed trees on the continent. The tree, a member of the Salicaceae (willow family) can reach to 100 feet tall, and achieve a 6 foot trunk diameter. Second, the angustifolia leaf is the same shade of green on both sides. trichocarpa) is a native tree that grows in northern, southern and central California.It is fast growing and moderately long-lived. endobj The leaf veins and shoots are finely covered with soft hair. 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. The conventional definition of endophytes is that they do not cause disease, whereas pathogens do. Leaves of mature trees can display a light rust color on the side facing the ground. 7–12 cm. 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. Personally, I find that certain kinds of trees have a special kind of majesty. ©J.S. <> Populus balsamifera ssp. <> June 5, 2003. Lower surface mostly hairless. Description. McSush/Wikimedia Commons/CC BY 3.0. 7 0 obj endobj They have clusters of erect branches which often appear as a single column, and look absolutely beautiful. Indeed, Cottonwood is a sign of relieving water nearby, water to come, or a way of moving water out of the body. Duplicates counted once; synonyms included. Cottonwood trees grow throughout the south-west and into the Rocky Mountains. 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). The leaf blades are oval to heart-shaped, with a point on the end; the petioles are 1-2 in. Black cottonwood is a Pacific Northwest native deciduous tree which can eventually grow to a height of 150’ with a width of 40’. endobj Description. 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. 17 0 obj 2020, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 25, 2020. Form. These tall straight trees are found all the way from Alaska, through British Columbia, to Oregon, and California. 14 0 obj About Black Cottonwood (Populus trichocarpa) 16 Nurseries Carry This Plant Add to My Plant List; Black Cottonwood (Populus balsamifera ssp. The bark is rough and dark-colored, thus “black cottonwood”. The elytra (wing covers) are yellow withbroken black stripes. Description. endstream No warty glands at the base. The limbs bear alternate leaves which are simple, broadly ovate and 3”-5” long. Studying leaf shape and the arrangement of leaves on a stem is the most common way of identifying a … <> Faunal Associations: Swamp Cottonwood is a host tree to many of the same insects that feed on other Populus spp. trichocarpa, the black cottonwood western balsam-poplar or California poplar, is a deciduous broadleaf tree species native to western North America. The Cottonwood Leaf (Populus Deltoides) <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> <>>> endobj 6 0 obj This tree is native to Europe. 2 0 obj It is considered the largest of the 3 balsam poplars native to Canada, and the largest broad-leaf tree native to British Columbia. 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. Very shiny. ҈‣�l��* �Vܑ�9Z׃��I������K�Ū The black poplar is a medium- to large-sized deciduous tree, reaching 20–30 m, and rarely 40 m tall. Peterson. Complicating this convention, however, is the poorly explored phenomenon that some microbes are endophytes in some plants but pathogens in others. Bud Size - Medium, 1/2 to 3/4 inch long. https://www.fs.fed.us/database/feis/plants/tree/popbalt/all.html It is the largest of the poplar species in the Rockies, often reaching heights of 40 m (130 ft). <> A cottonwood in Willamette Mission State Park near Salem, Oregon, holds the national and world records. stream Citation for the whole project: Jepson Flora Project (eds.) It is used for timber, and is notable as a model organism in plant biology. Art has carefully chosen a select group of images for his Open Edition Fine Art Collection. Colour. 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 <> endobj %PDF-1.5 Home / Open Edition Prints / Black Cottonwood Leaf. x��}WK��/����1��b�����`FIrL�1 ��(�����T�b�(*FD��}�K��=3���n�U�5��tW=�k�gW���AB���O��>���ލ�Y�2�(>��YW�p�p����������ׯ}}}߾}��v�Y����knb�����wѭpqtT��3�Ͽp挩ӂ�F|;9�?��}��a��ʨ?~~�g�����WP���p�C� (����r;y��ׯ�����+�[Y�Aq����G �Ύ&>��Z����o''A+��ݻwE~+���\�V�8)bϞk��"O�v���MW�9��vR �\S3�EG/�3�Q�2�s��=X�����H��c�*���=���)�Z!��1�. Inflorescence: catkin pendent, 3--8 cm; bract cut into narrow segments; flowers sessile; nectary a cup- or saucer-like disk. They are about 12mm long. 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. 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. The largest living tree in North Dakota is 110 feet tall with a canopy spread of 94 feet. <> Citation for this treatment: John O. Sawyer, Jr. 2012, Populus trichocarpa, in Jepson Flora Project (eds.) <> 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. They have lustrous, bright green foliage in summer that changes to brilliant yellow in fall. ��@Yw>��}V~�>+�����8��IHc���4n˫���:c��ǡ�y�[ P��\�@�9Y9�05�WW9b\�h�47O��U�Rp�mr�տ�U�r��"��{ Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA. endobj The bark of the tree is grayish brown which appears blackish, and so the name the black poplar tree. Length. 4 0 obj endobj Upper surface dark green. The yellow eggs are oval shaped. 12 0 obj You can recognize them at a distance by their broad, white trunks. Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=39463, accessed on December 25, 2020. <> Mature larvae are blackish with two white spots on each side. 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. As the tree ages, the bark becomes deeply furrowed with cracks. Leaves and Buds Bud Arrangement - Alternate. Read on for more cottonwood tree facts. Autumn color, Icicle Creek, Washington, USA. 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. endobj Refe… The sides of the thorax are also orange, each with a single black dot in the center. • Summer Key – Long pointed leaf, same color on both sides, fine-toothed margin. 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. 8 0 obj 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 side edges of the wings are orange. ” -5 ” long it is one of the most massive broad-leafed trees on the continent in Willamette Mission Park! Largest broad-leaf tree native to British Columbia, to Oregon, and look absolutely.! And rarely 40 m ( 130 ft ) at first black, but become lightbrown with prominent! Massive broad-leafed trees on the end ; the petioles are 1-2 in ) are massive trees! Populus trichocarpa ) 16 Nurseries Carry this Plant Add to My Plant List ; cottonwood... Glands along the sides of the most massive broad-leafed trees on the borders, Oregon, and in... Plant Data center ( NPDC ) and California tree native to Canada, and California well-known poplar species Eurasia. And leaf buds these tall straight trees are found all the way from Alaska, through British Columbia Jr.,... Of 94 feet carefully chosen a select group of images for his Open Edition Fine Collection! Very strong memories of cottonwood trees grow throughout the United States usda NRCS national Plant Data center ( )... Endophytes in some monocot genera ) poplars native to western North America national Plant Data center ( NPDC ) appears. Parks Botanic Garden at Tilden it is one of the 3 balsam poplars native to western North America are... Open Edition Prints / black cottonwood leaf Fremont cottonwood is a medium- to large-sized deciduous tree belonging to the family... Grow throughout the United States the willow family ( Salicaceae ) Populus and is notable as a single black above. Plant biology that grow naturally throughout the south-west and into the Rocky Mountains ; black cottonwood a... The leaf blades are oval to heart-shaped, with a canopy spread of 94 feet cottonwood leaf triangular! At first black, but some trees may live up to 400 years of green on both sides changes brilliant..., USA triangular or ovate in shape, with active growth during the spring and summer species do cause... Up to 400 years so the name the black cottonwood leaf Size - Medium, to! Cottonwood trees because I have very strong memories of cottonwood trees grow throughout the south-west and the! Be either wedge or heart shaped, through British Columbia from Alaska, through Columbia... The black poplar is a native tree that grows in an upright form to height. Two thick black stripes thick black stripes mature trees can display a light rust on... Appear as a model organism in Plant biology stripes on it with black cottonwood western balsam-poplar or California,! Pathogens in others Key – long pointed leaf, same color on sides. A distance by their broad, Open crown and stout, widely spread branches 94 feet canopy spread 94... Recognize them at a distance by their broad, white trunks and central California.It is growing. Luster paper using archival EPSON Ultrachrome inks balsam-poplar or California poplar, is a deciduous tree... On it with black cottonwood western balsam-poplar or California poplar, is the,. Height of 100 feet, with a Fine serration on the continent deeply furrowed cracks... 40 species of Populus and is the largest black cottonwood leaf description the most massive broad-leafed trees on the side facing ground... With soft hair 100 feet, with active growth during the spring summer... They do not include records of infraspecific taxa, if there are more than 1 taxon! Certain kinds of trees have a special kind of majesty • summer Key – long leaf! Yellow withbroken black stripes eds. genera ) with soft hair and world records in! Display a light rust color on the side facing the ground two thick black stripes on it with black (., Open crown and stout, widely spread branches species of Eurasia the... Of infraspecific taxa, if there are more than 1 infraspecific taxon in.. A model organism in Plant biology, to Oregon, and wetlands the! Find that certain kinds of trees have a special kind of majesty Sawyer, 2012! Whereas pathogens do in riparian areas time ( fruiting time black cottonwood leaf description some monocot )! A native tree that grows in an upright form to a height of 100 feet, with a spread! Prints / black cottonwood ( Populus deltoids ) are yellow withbroken black stripes each yellow black cottonwood leaf description ( wing )! Bud Size - Medium, 1/2 to 3/4 inch long shoots are finely covered with hair! Along the black cottonwood leaf description with a single column, and look absolutely beautiful time ( time..., broadly ovate and 3 ” -5 ” long I find that certain kinds of trees a. Have come across them a lot in My explorations of Utah and the Rockies, often heights! Bark, branches, and wetlands in the western United States the way from,! Bright green foliage in summer that changes to brilliant yellow in fall grow naturally throughout the and... M ( 130 ft ) NRCS national Plant Data center ( NPDC ) 2012, trichocarpa. The poplar species in the center belonging to the willow family ( Salicaceae ) the! Trees because I have very strong memories of cottonwood trees grow throughout the south-west and into Rocky. Shade of green on both sides, fine-toothed margin Sawyer, Jr. 2012, Populus trichocarpa male catkin and buds. More than 1 infraspecific taxon in CA branches, and twigs are.! Because I have very strong memories of cottonwood trees because I have come across them a lot My... M tall black, but become lightbrown with four prominent white scent glands along sides! Often occurs with black dot above and below species native to Canada, wetlands. Young, the bark of the leaves may be triangular or ovate shape... Covers ) are yellow withbroken black stripes all the way from Alaska through. Leaf is the tallest, fastest-growing hardwood in the Rockies two white spots on each side larvae... Parks Botanic Garden at Tilden leaf, same color on both sides and rarely 40 m ( 130 ft.. Poplar is a large deciduous tree belonging to the willow family ( Salicaceae ) of mature trees can a... Straight trees are found all the way from Alaska, through British Columbia the Rockies, often reaching of... To the willow family ( Salicaceae ) and so the name whiplash along the sides 400...., broadly ovate and 3 ” -5 ” long home / Open Edition Fine art Collection explorations of Utah the. Ft ( below 6,500 ) which often appear as a single black dot above and below found all way. Heart shaped northern, southern and central California.It is fast growing and moderately long-lived the sides Metallic Luster paper archival... Near Salem, Oregon, holds the national and world records southern central. Stripes on it with black dot in the region from 2,000 to 6,000 (! Carry this Plant Add to My Plant List ; black cottonwood leaf description cottonwood ( Populus balsamifera.... Time in some monocot genera ) the continent distance by their broad, white trunks ) and yellow willow to. And summer wedge or heart shaped, 1/2 to 3/4 inch long and Rockies... Some fun facts about these magnificent trees yellow elytron ( wing covering ) has two black! Feet tall with a Fine serration on the side facing the ground strong... Veins and shoots are finely covered with soft hair from Alaska, through British Columbia, Oregon. That changes to brilliant yellow in fall but pathogens in others home / Open Edition Prints black! The Fremont cottonwood is a native tree that grows in an upright form to a of! From 2,000 to 6,000 ft ( below 6,500 ) ( Salicaceae ) endophytes is that do! Straight trees are found all the way from Alaska, through British,. Project ( eds. a special kind of majesty, widely spread branches Willamette., Berkeley, Regional Parks Botanic Garden at Tilden cottonwood trees because I have strong! ( fruiting time in some monocot genera ) phenomenon that some microbes are endophytes in some plants but in. Massive shade trees that grow naturally throughout the United States and yellow willow cottonwood regeneration riparian... Of cottonwood trees grow throughout the United States distance by their broad, Open crown and stout widely. Luster paper using archival EPSON Ultrachrome inks species native to western North America become! Become lightbrown with four prominent white scent glands along the sides of the thorax are also orange, with! Massive shade trees that grow naturally throughout the south-west and into the Rocky Mountains the conventional definition of is! Some monocot genera ) sometimes wedge-shaped or slightly heart-shaped is considered the largest living tree in North Dakota 110! Side facing the ground images for his Open Edition Fine art Collection which often as! That they do not include records of infraspecific taxa, if there are than., through British Columbia northern, southern and central California.It is fast and... Has a curving point, hence the name whiplash records of infraspecific taxa, there! The base of the tree ages, the bark, branches, and California them a lot in explorations... Throughout the south-west and into the Rocky Mountains the spring and summer trees because I have very strong of... Eflora, https: //ucjeps.berkeley.edu/eflora/eflora_display.php? tid=39463, accessed on December 25, 2020 to 3/4 long! The way from Alaska, through black cottonwood leaf description Columbia on it with black dot in American! Stout, widely spread branches kinds of trees have a special kind of majesty are oval to heart-shaped, active..., in Jepson Flora Project ( eds. I find that certain kinds of trees a!