Veronica L.
Herbs, sometimes rooting at the nodes Veronica
Leaves less than 25 mm long. Stems creeping and rooting at the nodes or, if erect, then up to 30 cm high
Flowers in axillary racemes or solitary in the axils of the upper leaves
Flowers solitary in the axils of the upper leaves. Calyx c. 4 mm long when in flower. Corolla light blue, longer than the calyx. Leaves ovate, crenate-dentate, 8–20 mm long. Capsule compressed, 2-lobed, 7–8 mm wide. Widespread. Weed of cultivation and waste places. Introd. from Europe and W. Asia. Fl. spring–summer Veronica persica
Flowers in axillary, sometimes much reduced, racemes