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| typical leaf, with 5 leaflets... | ...However, many boxelder leaves are trifoliolate, such as this one--notice the resemblance to poison ivy? |
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| stem--the young stems of Acer negundo are green | petioles and leaf bases--what kind of leaf arrangement is present? If you said opposite, you're right. Leaf arrangement is one foolproof way to tell poison ivy from a young boxelder: boxelder has opposite leaves, while poison ivy has alternate leaves. |
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| leaves in Spring--notice the reddish color of petioles and rachises. This reddish color is not always present. | |
