Nierembergia hippomanica

Pictured is Cup Flower, Nierembergia hippomanica 'Blue Mountain'. Nierembergias are closely related to Petunias, both being in the Petunioideae subfamily of the Solanaceae. Picture taken Nov. 9. 2010.

Link to Nierembergia:

Link to Nierembergia hippomanica

Link to Nierembergia linariifolia: