: a perennial European herb (Veronica officinalis) of the snapdragon family that is naturalized in North America and has small bluish flowers in axillary racemes
Recent Examples on the WebThis link from University of California gives more information about Persian speedwell.OregonLive.com, 6 Apr. 2018 Another weed with blue flowers sometimes confused with henbit is Persian speedwell (Veronica persica). Jo Ellen Meyers Sharp, Indianapolis Star, 9 Mar. 2018