Common Name:
blue
vervain
Common Name Synonym:
common vervain
Scientific Name:
Verbena hastata
Family Name:
Verbenaceae
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Verbena Family
Life Cycle
native perennial, reproducing by seed and short rhizomes
Stems
upright, square, branching above, coarsely grooved, hairy and often rough
Leaves
opposite, lanceolate to ovate, often with basal lobe or lobes, petioled, green above and gray-green below, rough above and pubescent below, veins prominent, coarsely toothed margins, small axillary leaves
Flowers
5-petaled, tubular and slender, blue to bluish-purple sometimes white; multiple terminal spikes, many-flowered and dense, flower often overlapping, narrow, upright, rigid, elongate after flowering
