[ ahy-ern-weed ]
/ ˈaɪ ərnˌwid /


any of certain North American composite plants of the genus Vernonia, having tubular, chiefly purple or red disk flowers.

Origin of ironweed

First recorded in 1810–20; iron + weed1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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