acer negundo

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Related to Box-elder: Inland Boxelder
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box elder

box elder

30-60 ft (10-20m) tree with smooth green twigs and leaves that resemble poison ivy, but leaves are opposite each other, not alternating. Has maple-tree-type winged seed keys but thinner and longer than maple. Keys can be eaten. Sap boiled down for sugar. Very popular source of sugar. The inner bark can be eaten raw, boiled, roasted or dried and pounded into a powder with fiber sifted out. Tea made from inner bark can induce vomiting. Young leaves are edible and somewhat sweet, but have little nutrition.
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Trees of secondary importance included chinkapin oak, Ohio buckeye, white ash, box-elder, and hackberry (importance values 33, 26, 18, 14, and 11, respectively).
Of secondary importance were box-elder, black walnut, white ash, and slippery elm (importance values 31, 31, 30, and 28, respectively).
Of secondary importance were Ohio buckeye, chinkapin oak, white ash, and box-elder (importance values 24, 22, 16, and 15, respectively).