verbena(n = noun.plant) vervain - any of numerous tropical or subtropical American plants of the genus Verbena grown for their showy spikes of variously colored flowers;
is a kind of flower
is a member of genus verbena
A genus of herbaceous plants of which several species are extensively cultivated for the great beauty of their flowers; vervain. [1913 Webster]
" Verbena, or vervain, was used by the Greeks, the Romans, and the Druids, in their sacred rites.
verbena, n. any plant of the genus Verbena, bearing clusters of fragrant flowers.
Etymology:
L, = sacred bough of olive etc., in med.L vervain
beach sand verbena, desert sand verbena, genus verbena, pink sand verbena, sand verbena, sweet sand verbena, verbena family, yellow sand verbena