|basswood (Tilia americana)||
basswood (Tilia americana; LINDEN FAMILY [Tiliaceae]) Tall (60-80') trees with large heart-shaped leaves (5-6" long, 3-4" wide). Flowers are fragrant, insect-pollinated, and produced in midsummer, all unusual for a Wisconsin tree. The fruit is small (¼" diameter), spherical, and nutlike with an edible, but small seed, and is attached to a conspicuous leaf-like bract that is 4-5" long. Mature bark is dark gray, ridged, and furrowed. Stumps sprout extensively after cutting, so multiple-stemmed basswoods are common in second-growth woods. In Wisconsin, occurs widely on rich soils with sugar maple. 
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