Book  (Oct 2001)  Page(s) 106.  Includes photo(s).
 
Clematis 'Albina Plena'
Atragene Group
(C. 'Albino Pride')
Magnus Johnson (Sweden) 1982
C. fauriei x C. sibirica (F2 hybrid)
... double, bell-shaped, white flowers... produced from the old wood made during previous seasons... four outermost primary tepals, each about 4 cm (1.5 in.) long, and enclosing numerous secondary petal-like staminoides of similar length... stamens are made of greenish cream filaments and yellow anthers... Needs sharp drainage...