Least Periwinkle

Least Periwinkle on a hedgebank
West Dorset

Single flower

Corolla tube and hairy calyx lobes

Close-up of calyx lobes

View into corolla tube - 5 anther flaps

Inside the corolla tube - stylar column, stylar
head, stigmatic band and plume.
Stamens with anther flaps over the plume

Inside the corolla tube - 2 stamens moved to
show their jointed filaments, anther and flap

Opposite, ovate-lanceolate leaves