- vervain thoroughwort
- noun
: a rough-foliaged perennial herb (Eupatorium pilosum) of the eastern United States having opposite mostly oblong leaves and an open cymose cluster of white flower heads
Useful english dictionary. 2012.
Useful english dictionary. 2012.
herb — I (New American Roget s College Thesaurus) n. potherb, condiment. See vegetable, remedy. II (Roget s IV) n. Varieties of herbs include: those used mainly in medicine : foxglove, digitalis, belladonna, verbena, lemon verbena, vervain, coltsfoot,… … English dictionary for students