Book  (Oct 2001)  Page(s) 179.  Includes photo(s).
 
Clematis 'Etoile de Malicorne'
A. Girault (France) before 1968
Parentage unknown
... single, rich purple-blue flowers... eight broad, slightly overlapping, pointed tepals... Each tepal carries a narrow, reddish purple central bar... The reverse of each tepal is midblue with a whitish bar...

Book  (Apr 1998)  Page(s) 127.