vervain

noun

One of several weedy plants of the genus Verbena, primarily V. officinalis, widely dispersed in warm and temperate regions in both hemispheres.

noun

Any plant of the genus Verbena.

noun

a species of mallow (Malva Alcea) with rose-colored flowers.

noun

A herbaceous plant, Verbena officinalis, common in Europe and formerly held to have medicinal properties.

noun

any of numerous tropical or subtropical American plants of the genus Verbena grown for their showy spikes of variously colored flowers