ironweed

== English == === Etymology === From iron +‎ weed. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Why iron?”) === Noun === ironweed (countable and uncountable, plural ironweeds) Any of certain species of the genus Vernonia of forbs and shrubs. ==== Derived terms ==== little ironweed New York ironweed yellow ironweed