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ophis: winter twig, bitternut hickory
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ophis: bitternut hickory
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ophis: enlarged terminal bud, bitternut hickory
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ophis: 1st year twig, bitternut hickory
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ophis: base of 1st year twig, bitternut hickory
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ophis: vigorous 2nd year leader (above) and thinner lateral twig several years older (below)