Brooklime

Veronica beccabunga
Brooklime – semi-aquatic perennial with succulent, hollow, creeping stems that root at intervals and sometimes float in the water. The leaves of brooklime are opposite, shiny green, and oblong with rounded ends. Thick and fleshy in texture, the leaves have slightly toothed margins. Numerous small, bright blue and white flowers on short stems flower during the whole of the summer months.