mistflower

(mist′flo̵u′ər)

☆

noun

a perennial E American plant (Eupatorium coelestinum) of the composite family, with small, purple-flowered heads lacking ray flowers

See mistflower in American Heritage Dictionary 4

noun

A perennial plant (Eupatorium coelestinum) of the southeast and central United States, having corymbs of small blue flowers.

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