Quercus nigra
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Standard Cyclopedia of Horticulture |
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Quercus nigra, Linn. (Q. aqatica,Walt. Q. uliginosa, Wang.). Watbk Oak. Tree, to 80 ft., with rather slender branches forming a conical, round-topped head: lvs. obovate, 3-lobed at the apex or sometimes entire, rarely pinnatifid above the middle, dull bluish green above, paler beneath, soon glabrous except axillary tufts of brown hairs beneath, 1 1/3-3 in. long: fr. short-stalked; acorn globose-ovoid, 1/3-2/3in. high, embraced one-fourth to one-third by the saucer-shaped cup. Del. to Fla., west to Ky. and Texas. S.S. 8:428.—Of rapid growth and easily transplanted; often planted as avenue tree in the S., but not quite hardy N. Usually called Q. aquatica.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
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