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ophis: end buds in winter, horse chestnut
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ophis: spur twig, horse chestnut
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ophis: 1st year twigs stout, round, 6-9 mm diam, with fine pubescence
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ophis: clear sticky resin leaks from behind bud scales
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ophis: longitudinal section end bud
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ophis: nascent leaf removed from end bud
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ophis: transverse section end bud
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ophis: cut 1st year twig, horse chestnut
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ophis: cut 2nd year twig, horse chestnut