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Quercus rubra  |
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Northern Red Oak |
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Eastern United States |
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A large tree, with a short trunk, stout
spreading branches and a round-topped head. |
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60-75 feet tall with a spread of 40-50 feet |
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Plants are
monoecious. Male flowers are borne in
clustered, pendent catkins the females are
borne solitary, or in a few flowered spike in
the axils of the new leaves. |
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Leaves are alternate, simple, 4½ - 8½
inches long, with 7-11 bristle-tipped lobes,
usually a wedge-shaped base, lustrous dark green
above, pale beneath with tufts of reddish hairs
between the veins. |
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Fall color is russet-red to bright red. |
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Bark is nearly black and broken up into wide,
flat-topped gray ridges |
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Fruit is an acorn, ¾-1 inch long, solitary
or paired, oval, enclosed ¼-⅓ by
hemispherical cap, made up of thin, papery,
finely downy scales, with the tips noticeably
darkened. |
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This tree for a
long time was termed Q. rubra, then the
name was changed to Q. borealis and it
has been changed back to Q. rubra. |
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