Book  (Oct 2001)  Page(s) 177.  Includes photo(s).
 
Clematis 'Entel'
Uno Kivistik (Estonia) 1984
C. 'Hagley Hybrid' x C. 'Alba Luxurians'
... The name is the first word of a nursery rhyme... single, small, well-formed, pale pinkish mauve flowers... six to eight tepals