Petrocosmea ‘Keystone’s Barnswallow’ a Tim Tuttle cross of Petrocosmea ‘Asa Blue’ x Petrocosmea begoniifolia. It’s deep green, glossy, pebbling foliage forms a compact rosette. Flowers are deep/purple with a white halo effect at the base of the upper two petals and two yellow lines in the throat. To see a flowering plant click here.
A close up of the flower can be seen here.