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Education charts: Twigs, #1
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Juglans nigra (black walnut), twig
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Twig model, partly opened
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Platanus (planetree), leaves affected by anthracnose
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Education charts: Twigs, #3
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Acer (maple), bud and twig comparison
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Platanus occidentalis (sycamore), twig with buds
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Juglans nigra (black walnut), pith
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Opposite buds: Horse chestnut, Ash, and Maple
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Quercus rubra (northern red oak), bud detail
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Acer platanoides (Norway maple), bud
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Education charts: Twigs, #2
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Acer pensylvanicum (striped maple), twig and bud
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Juglans nigra (black walnut), twig
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Populus deltoides (eastern cottonwood), young leaves and twigs
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Twig model
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Acer rubrum (red maple), staminate buds
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Cornus alternifolia 'W. Stackman' (GOLDEN SHADOWS® Pagoda Dogwood PP11287), bark, twigHedborn Jr., Edward A.