Book  (Oct 2001)  Page(s) 127-128.  Includes photo(s).
 
Clematis 'Betty Corning'
Viticella Group
(C. viticella 'Betty Corning')
Found growing in a garden at Albany, NEw York, by Betty Corning, wife of Erastus Corning II (onetime mayor of Albany)
Introduced by Arthur H. Steffen of Fairport, New York, 1932
Believed to be a hybrid of C. crispa x C. viticella
... single, nodding, bell-shaped, slightly scented flowers... four tepals... The inside of the tepals is a pale pinky mauve colour while the reverse is a pale pinky blue. The tepals are deeply veined thus adding to the texture. The stamens are yellow... Produces the strongest scent in a sunny position...