Book  (Oct 2001)  Page(s) 114.  Includes photo(s).
 
Clematis 'Anna
Magnus Johnson (Sweden) 1974
[named for the breeder's granddaughter]
Seedling of C. 'Moonlight'
... single, rose-pink flowers... six or eight tepals... Each tepal boasts a pale pink stripe. Whitish cream filaments carry reddish purple anthers...