1. (noun) North American herb having whorled leaves and terminal clusters of flowers spotted with purple

• joe-pye weed
• marsh milkweed
• purple boneset
• trumpet weed

1. (noun) North American herb having whorled leaves and terminal clusters of flowers spotted with purple

• eupatorium
• genus eupatorium

1. (noun) North American herb having whorled leaves and terminal clusters of flowers spotted with purple

• herb
• herbaceous plant