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Red Maple (acer Rubrum)







Distinguishing characters: The *bark is smooth and light gray*, like

that of the beech, on the upper branches in older trees, and in

young trees over the whole trunk. Fig. 30. The buds are in clusters,

and the terminal twigs, Fig. 31, are quite red.






Leaf: Whitish underneath with three-pointed lobes. Fig. 32.



Form and size: A medium-sized tree with a narrow, round head.



Range: Eastern North America.



Soil and location: Prefers moist places.



Enemies: Leaf blotches (_Rhytisma acerinum_) which, however, are not

very injurious.



Value for planting: Suitable as a shade tree for suburban streets. Its

rich red leaves in the fall make it attractive for the lawn.






Commercial value: Its wood is heavy, close-grained, and takes a good

polish. Used for furniture and fuel.



Other characters: The _bud_ is small, round, and red. The _flowers_

appear before the leaves are out in the early part of April.









Other common names: The red maple is sometimes known as _swamp maple_.






Comparisons: The red maple is apt to be confused with the silver maple,

but the latter can be distinguished by its turned-up twigs and scaly

bark over the whole trunk of the tree, which presents a sharp

contrast to the straight twig and smooth bark of the red maple. The

latter has a bark similar to the beech, but its branches are

_opposite_, while those of the beech are _alternate_.



Tree Studies


How To Identify Trees
Group I The Pines
The White Pine (pinus Strobus)
The Pitch Pine (pinus Rigida)
The Scotch Pine (pinus Sylvestris)
Group Ii The Spruce And Hemlock
The Norway Spruce (picea Excelsa)
Hemlock (tsuga Canadensis)
Group Iii The Red Cedar And Arbor-vitae
Red Cedar (juniperus Virginiana)
Arbor-vitae; Northern White Cedar (thuja Occidentalis)
Group Iv The Larch And Cypress
The European Larch (larix Europaea)
Bald Cypress (taxodium Distichum)
Group V The Horsechestnut, Ash And Maple
The Horsechestnut
The White Ash (fraxinus Americana)
Sugar Maple (acer Saccharum)
Silver Maple (acer Saccharinum)
Red Maple (acer Rubrum)
Norway Maple (acer Platanoides)
Box Elder (acer Negundo)
Group Vi Trees Told By Their Form: Elm, Poplar, Gingko And Willow
American Elm (ulmus Americana)
Lombardy Or Italian Poplar (populus Nigra, Var Italica)
Gingko Or Maidenhair Tree (gingko Biloba)
Weeping Willow (salix Babylonica)
Group Vii Trees Told By Their Bark Or Trunk: Sycamore, Birch, Beech,
Blue Beech, Ironwood, And Hackberry
The Sycamore Or Plane Tree (platanus Occidentalis)
Gray Or White Birch (betula Populifolia)
American Beech (fagus Americana)
Blue Beech Or Hornbeam (carpinus Caroliniana)
Hackberry (celtis Occidentalis)
Group Viii The Oaks And Chestnut
White Oak (quercus Alba)
Black Oak (quercus Velutina)
Red Oak (quercus Rubra)
Pin Oak (quercus Palustris)
Chestnut (castanea Dentata)
Group Ix The Hickories, Walnut And Butternut
Shagbark Hickory (hicoria Ovata)
Mockernut Hickory (hicoria Alba)
Black Walnut (juglans Nigra)
Group X Tulip Tree, Sweet Gum, Linden, Magnolia, Locust, Catalpa,
Dogwood, Mulberry And Osage Orange
Tulip Tree (liriodendron Tulipifera)
Sweet Gum (liquidambar Styraciflua)
American Linden (tilia Americana)
The Magnolias