Verbena

[vɝ'binə]

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

Typed by Clint--From WordNet

(n.) A genus of herbaceous plants of which several species are extensively cultivated for the great beauty of their flowers; vervain.

Typed by Enid

n. a genus of plants of natural order Verbenace cultivated for their fragrance or beauty: vervain.—adj. Verbenā′ceous.

Typed by Abe