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| young leaf--note the points present at the tips of the lobes--this is typical of the red oak group | young leaves again, illustrating the characteristic leaf shape of Quercus marilandica |
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| upper part of leaf showing bristles at the tips of the lobes | mature leaves |
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| habit--blackjack oaks are usually relatively short trees (20-30 ft. tall) | flowers--the male flowers are grouped into the catkins you see hanging down from the young branch, while the female flowers are the two little bulges at the tip of the young branch, near the point where the three leaves at the tip attach to the stem |
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| very young leaves--many species in the red oak group have bright red baby leaves | กก |
