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ophis: young pin oak
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ophis: lightly fissured trunk about four inches thick
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ophis: stiff twigs with buds clustered at summits, pin oak
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ophis: 1st yr twigs ridged, olive on lower surface, often reddish on upper
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ophis: terminal bud light brown, glabrous
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ophis: leaves deeply cut with bristle-tipped lobes
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ophis: leaf-undersides with dense patches of buff hairs in vein-axils