Book  (Oct 2001)  Page(s) 121-122.  Includes photo(s).
 
Clematis 'Ballet Skirt'
Stragene Group
(C. macropetala 'Ballet Skirt')
Stanley J. Zubrowski (Canada) 1981
Open-pollinated seedling of C. 'Rosy O'Grady'
... The noddingm bell-shaped, compact, semi-double flowers are composed of four pale pink, pointed tepals with a full inner skirt of petal-like staminodes of a similar colour... occasional summer flowers...