slender, threadstalk speedwell or whetzel weed (veronica filiformis) flowering with four lobed blueish with white tip

europe veronica filiformis whetzel weed attractive bloom blooming blue botanic botany close closeup cover creeping threadstalk speedwell cultivated decorative detailed flora floral flower flowering flowers four garden gardening grassland growing growth leaves lobed long macro mat meadow meadows nature ornamental outdoors park parks petals plant solitary stalks stamens summer tip vegetation white wild slender blueish four-lobed