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Acer obtusifolium is an evergreen maple that forms a shrub, but can also be grown into a tree to a height of about 16 feet. It has leathery foliage varying from unlobed to tri-lobed. The leaves are normally gray-green. [2]
Acer × conspicuum van Gelderen & Otterdoom (A. davidii × A. pensylvanicum) Acer × coriaceum Bosc ex Tausch (A. monspessulanum × A. opalus ssp. obtusatum) Acer × dieckii van Gelderen & Otterdoom See A. platanoides [20] Acer × freemanii Murray (A. rubrum × A. saccharinum) Acer × hillieri Lancaster (A. miyabei × A. cappadocicum 'Aureum')
Several species, including Acer griseum (paperbark maple), Acer mandshuricum (Manchurian maple), Acer maximowiczianum (Nikko maple) and Acer triflorum (three-flowered maple), have trifoliate leaves. One species, Acer negundo (box-elder or Manitoba maple), has pinnately compound leaves that may be simply trifoliate or may have five, seven, or ...
Cristulariella depraedans, commonly known as gray mold spot, sycamore leaf spot or bull's eye spot, is a fungal pathogen that affects maple trees (genus Acer) and certain other woody and herbaceous species. In maples, the foliage becomes affected by small grey lesions which expand and coalesce, the leaves later wilting and falling from the tree ...
Acer saccharinum, commonly known as silver maple, [3] creek maple, silverleaf maple, [3] soft maple, large maple, [3] water maple, [3] swamp maple, [3] or white maple, [3] is a species of maple native to the eastern and central United States and southeastern Canada.
While both poison ivy and Acer negundo have compound leaves composed of three leaflets with ragged edges, Acer negundo exhibits an opposite branching pattern, as opposed to the alternating pattern of poison ivy. [16] Like poison ivy, Acer negundo is also a noted riparian species, and can often be found growing along riverbeds and in wet soils ...
Field maple Acer campestre, in Ebsdorfergrund-Frauenberg, Hesse, Germany. Aceraceae were recognized as a family of flowering plants also called the maple family. They contain two to four genera, depending upon the circumscription, of some 120 species of trees and shrubs. A common characteristic is that the leaves are opposite, and the fruit a ...
The leaves are broad and soft, 8–15 cm (3–6 in) long and 6–12 cm (2.5–4.5 in) broad, with three shallow forward-pointing lobes. [ 3 ] The fruit is a samara ; the seeds are about 27 mm (1.1 in) long and 11 mm (0.43 in) broad, with a wing angle of 145° and a conspicuously veined pedicel.