|butterfly weed (Asclepias tuberosa)||
butterfly weed (Asclepias tuberosa; MILKWEED FAMILY [Asclepiadaceae]) 1-2' native perennial. Conspicuous erect umbels of bright orange flowers, which have the distinctive characteristics of the family: corolla differentiated into 5 downward-directed petal-like parts and a "crown" of 5 upward projections. Mostly alternate leaves. Road edges, sandy woods, and prairies. Flowers in mid-summer. 
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