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Search Results for "quercus"


Quercus palustris (Pin oak)

Other names: Swamp Spanish oak

Q. palustris is a large, vigorous, broadly conical, deciduous tree with pendent lower branches, elliptic, glossy, deeply lobed, mid-green leaves turning scarlet to reddish-brown in autumn. Inconspicuous flowers in spring are followed by spherical, brown fruit in autumn.
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Ultimate spread 12m
max. spread
Ultimate height 20m
max. height
Time to ultimate size 20-50 years
to maturity
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Quercus nigra (Water oak)

Other names: North American barren oak, North American black oak, Possum oak, Quercus microcarya, Quercus nigra var. heterophylla, Spotted oak, Punk oak, Duck oak

Q. nigra is a broadly conical to broadly rounded, deciduous to semi-evergreen tree with pendent lower branches, smooth, grey bark, and spoon-shaped to narrowly obovate, usually three-lobed, dark green leaves turning yellow in autumn. Yellow-green flower catkins in spring are followed by spherical acorns with woolly, scaly cups.
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Ultimate spread 18m
max. spread
Ultimate height 24m
max. height
Time to ultimate size 50-100 years
to maturity
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