Veronica catenata or Veronica anagallis-aquatica
(Water Speedwell)
Family: Scrophulariaceae (Figwort)

Water Speedwell grows in muddy or swampy places on the plains or foothills. Stem leaves are opposite and clasp the stem. Flowers have four blue petals and two stamens.  Flowers are in racemes that arise from the axils of the leaves. A similar species is Veronica americana (not pictured), whose leaves all have short petioles.

Vegetation zone:  Plains, Foothills
Time of bloom:  May - July
Origin:  Native
Eastern Colorado Wildflowers