verbena
ver.be.na \(.)v*r-'be--n*\ n [NL, genus of subshrubs, fr. L, sing. of verbenae sacred boughs, certain]medicinal plants - more at VERVAIN : VERVAIN; esp : any of numerous garden plants of hybrid ori gin widely grown for their showy spikes of white, pink, red, or blue flowers which are borne in profusion over a long season