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ophis: siberian elm
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ophis: pruning scar, siberian elm
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ophis: winter twigs, siberian elm
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ophis: 1st and 2nd year twigs, siberian elm
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ophis: twig undersides, siberian elm
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ophis: 3rd year twig with 1st year offshoot, siberian elm
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ophis: buds covered with about eight distichous scales, siberian elm
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ophis: buds with scales removed, siberian elm
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ophis: cut 3rd and 1st year twigs, siberian elm