Book  (Oct 2001)  Page(s) 145-146.  Includes photo(s).
 
Clematis 'Caroline'
Barry Fretwell (England) ca. 1992
... single, small, well-formed, firm, pinkish white flowers... six pointed, non-overlapping tepals, each with a deeper pink bar towards the base. White filaments... pale yellow anthers... Produces best and long-lasting flower colour when planted out of full sun...