Because of their similarities, these six species are sometimes considered a single super species . It is used primarily for pulp, making particle board and other structural panels. While it is less than fifteen feet in height it has a pleasing appearance, and it is entitled to a place in ornamental gardens. Bigtooth aspen can be distinguished from quaking aspen by the smaller number and the larger size of the teeth on the leaves and from the lighter colored buds. This species and Quaking Aspen are the only two species of aspen in North America - Bigtooth Aspen is less widespread than Quaking Aspen. Below: A leaf comparison of the four Minnesota native species of Populus plus the introduced P. alba. 2 0 obj
3rd photo - Twig- buds in spring on an older twig. 3 0 obj
Notes: Bigtooth Aspen is indigenous to the Garden. Identification booklet for most of the flowering forbs and small flowering shrubs of the Eloise Butler Wildflower Garden. This is a typical size, but for Champion Sizes, see the text below the photos - the largest tree in Minneapolis is in this garden and the largest in the nation is in Minnesota. 1 to 2 glands may be present of the leaf stalk. It provides food and cover for wildlife. This is a typical size, but for Champion Sizes, see the text below the photos - the largest tree in Minneapolis is in this garden and the largest in the nation is in Minnesota.
This allows the 'flutter' of aspen leaves. Like many species, the shape of the bark of the Bigtooth Aspen changes with age. Habitat: Quaking Aspen and Bigtooth Aspen are quite similar in habitat. Distribution principally from W1, W2 and 28C. It was put into HTML format by Stephen Ostermiller in July 1997. It seldom exceeds 60 feet in height and 20 inches in diameter. Bigtooth aspen is a short lived (50 years), fast growing, medium sized tree. On older trees it is more yellowish The Division of Forestry promotes and applies management for the sustainable use and protection of Ohio’s private and public forest lands. It grows and spreads rapidly through abundant suckers, and is thus a useful species for colonizing newly-logged sites and sheltering slower-growing tree species. Flowers appear before the leaves and are wind pollinated. Bigtooth aspen and quaking aspen (P. tremuloides) are the only two North American aspen species.
Leaves on this species are quite variable (next paragraph) but in general, they are alternate, simple, broadly ovate with a short pointed tip and a rounded to slightly heart-shaped base, 3 to 4 inches long, on long, slender, vertically flattened stalks (at a right angle to the plane of the leaf). stream
This key was developed by "bt" in June 1982. There are only four species of Populus that are native and commonly found in Minnesota: P. balsamifera, Balsam Poplar; P. deltoides subsp. Bigtooth Aspen (Populus grandidentata) is a native deciduous tree, which grows throughout northeastern North America, including New York State and the Adirondack Mountains.It is also known as Largetooth Aspen, Poplar, or Popple. �ms����{��IMq׀�As�}!�����5����˥����Z��0�J��/Kt!�@j/|+a��.V�����^[�8 >5�T����F��d�3k+۳�%|�,+X/S2XQz�����u�ވ�.I�;���2���b�Ґ���8��DJ�{:!��'=���f`��9��C+OQc���ME���!�C��骎�l�3$%x�J�$S����V���,�Ʒv�fD� n���_���G/��e��žا�`[�T�,�C�,�"y��;Q����jt,~��~���B�j��l�;F��Hp�Eúxi��c=Ҳ�!4T tT�Ĉ�h�Kvm��/Z�a�vC�rv�R���RX�ztca�h�FF�K\}�WVlQ���;�a�����GB���0w��O'%/��m���̚T� Bigtooth aspen can be distinguished from quaking aspen by the smaller number and the larger size of the teeth on the leaves and from the lighter colored buds. Bigtooth Aspen – Populus grandidentata Facts About Big-toothed poplar, a tree of sandy uplands in the northeastern states, is so-named for its leaves which have large teeth on the margin. <>>>
It is a member of the Willow family. In autumn, the leaves turn golden yellow. Below: 1st photo - The leaf of Bigtooth Aspen is broadly ovate and has coarse rounded teeth, a short pointed tip and a rounded to slightly heart-shaped base.
In the U.S. it is found in the NE Section with Minnesota being the northwest corner, then south to Missouri and eastward to the coast. Trees need to be about 10 to 20 years of age to produce seed but begin flowering much earlier.
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It grows and spreads rapidly through abundant suckers, and is thus a useful species for colonizing newly-logged sites and sheltering slower-growing tree species. Andre Michaux's son, Francois, in his 3-volume North American Sylva of 1817-19: "The wood is light, soft, and unequal to that of the Virginian and Lombardy Poplars; the tree, also is inferior to these species in size, and in the rapidity of its growth.
Uses: Bigtooth Aspen wood is light colored, straight grained and soft. The BigTooth Aspen shakes in light air and shakes in strong wind. of 24 inches or more. Images not to scale. Aspen Bark. Those of bigtooth aspen are longer at about 3 1/2 inches but not quite as wide, with most between 2 and 2 1/2 inches across. Details Here. Planting history generally from 1, 4 & 4a. -7��\ޤuV�ɶ��[^{�4ƀ�JZ�c@�C]���E �j>֖Ca�p0�T,����P-�6N�@�bʊ�2�,;�}�9Lq !y���X���'������_��PK����#�S�XV���)5�^�e�ђܱ$o0�*�";�:��h��ҏ�@����{�!�T$����@���y�5�47��D%(�����UB'���U��6H
Below: 1st photo - The underside of the leaf shows the network of fine veins. In Minnesota it covers about 5% of all timber lands compared to Quaking Aspen, which covers 55% and Balsam Poplar which covers 7%. Flowering buds are usually on small branchlets or on distal clusters.
Bigtooth Aspen is a native short-lived deciduous tree growing 30 to 60 feet high with a diameter of 1 to 1-1/2 feet, an irregular thin crown and a straight trunk with gently ascending branches. Below: 1st photo - A cluster of female catkins. 4 0 obj
Bigtooth Aspen. This tree scores 93.5 points but the U.S. National Champion also happens to reside in Minnesota at Sandstone. The buds are smaller than the cottonwood, more or less pale and downy
It thus appears to promise no advantage to the arts, and to be valuable only for its agreeable foliage. ".
The tree grows in moist soil near streams, and frequently is one of the first trees to grow in abandoned fields and burned-over areas. 2nd photo - The Staminate Catkin, the clusters of 6 to 12 stamens are greenish-white. Female flowers have a basal disk, a 2-chambered ovary, the pistil with a pair of stigmata at the tip, each of which is deeply split (bifurcated).
Bigtooth Aspen (Populus grandidentata) is a native deciduous tree, which grows throughout northeastern North America, including New York State and the Adirondack Mountains.It is also known as Largetooth Aspen, Poplar, or Popple. coarse, irregular teeth. The fruit is a catkin like the cottonwood fruit but the capsules are smaller and darker in color, containing brown, fine, tufted seeds.
References: Plant characteristics are generally from sources 1A, 32, W2, W3, W7 & W8 plus others as specifically applied. Leaf scars are raised and heart-shaped, and like the Cottonwood, crushed twigs have a bitter aspirin taste.
Bigtooth aspen is a short lived (50 years), fast growing, medium sized tree.
The buds are smaller than the cottonwood, more or less pale and downy rather than resinous. A fast-growing, but short-lived, pioneer species, Bigtooth Aspen attains heights of 60 to 80 feet. Eloise Butler catalogued it on April 29, 1907. A fast-growing, but short-lived, pioneer species, Bigtooth Aspen attains heights of 60 to 80 feet. Below: Fertile flowers developing into seed pods. Bigtooth Aspen does not have smooth buds or finely toothed rounded leaves like P. tremuloides (Quaking Aspen) and does not have the long pointed resinous buds of P. balsamifera (Balsam Poplar). %����
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Flowers: Bigtooth Aspen is dioecious, that is male and female flowers occur on separate trees. The buds are ovate and pointed with a gray to red-brown color and those that over-winter with some fine whitish hair. %PDF-1.5
Below: The stamens are covered with a dark brown bract that has deep cuts on the forward edge and fine hair on the margin. Twigs are reddish-brown in color, slender and hairy when young, becoming reddish-gray by the third year. The leaf margins have coarse, curved teeth. The species grandidentata means 'having big teeth'. Leaves are alternate, simple, single toothed, triangle shaped. Male flowers have a basal disk with 6 to 12 stamens. Fall color is pale yellow. Then the capsule splits into two and each chamber releases between 3 and 9 small seeds embedded in fine white cotton-like hair which are dispersed far and wide by the wind in early summer. Bigot Spain on the Bobbit Trail (July 11, 2015) Leaf shape is the key to distinguishing large-toothed poplars from other deciduous trees. Two centuries ago, it was not so well thought of. Seed: After pollination, the female catkins elongate up to 4 inches in length and the fertilized flowers produce a narrowly conical, light green, 1/4 inch long, slightly curved and slight hairy, 2 chamber seed capsule. 1 0 obj
Other sources by specific reference. or brown, breaking into dark gray to brownish-black shallow ridges near the base.
It is a member of the Willow family. Both flowers are about 1/8 inch wide and have a small bract whose upper edge is deeply cut and hairy. See Reference List for details. rather than resinous. endobj
monilifera, Plains Cottonwood; P. grandidentata, Bigtooth Aspen; and P. tremuloides, Quaking Aspen. The leaves turn yellowish gold in the fall, creating striking scenery where large stands of the trees grow. Copies of the entire guide in zip format that may be taken to camp on a laptop are available to those who write. Both kinds have edges with rounded teeth on them, with bigtooth aspen’s teeth farther apart than those on the quaking aspen. The bark often has an orange hue. Bigtooth aspen, along with five other aspen species, has been assigned to the subsection Trepidae of the section Leuce in the genus Populus. <>
Bigtooth spinning saplings are smooth and smooth bark, tan to yellow or greenish-brown in color. Above: Bigtooth Aspen bark - 1st photo - younger branches; 2nd photo - the lower trunk with age begins to scale and create ridges; 3rd photo - the lower trunk of old tress is furrowed and ridged. Friends of the Wild Flower Garden, Inc.
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