marsh milkweed

Thesaurus

Noun

1.

marsh milkweed - North American herb having whorled leaves and terminal clusters of flowers spotted with purpleEupatorium purpureum, Joe-Pye weed, purple boneset, trumpet weedEupatorium, genus Eupatorium - large genus of chiefly tropical herbs having heads of white or purplish flowersherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests