vervain
nounOne of several weedy plants of the genus Verbena, primarily V. officinalis, widely dispersed in warm and temperate regions in both hemispheres.
nounAny plant of the genus Verbena.
nouna species of mallow (
A herbaceous plant, Verbena officinalis, common in Europe and formerly held to have medicinal properties.
nounany of numerous tropical or subtropical American plants of the genus Verbena grown for their showy spikes of variously colored flowers
