Book  (Oct 2001)  Page(s) 109.  Includes photo(s).
 
Clematis 'Alionushka' Herbaceous/Integrifolia Group. (C. 'Aljonushka', C. 'Alyonushka', C. integrifolia 'Aljonushka'). A.N. Volosenko-Valenis and M.A. Beskaravainaja (Ukraine) 1961. British Clematis Society Certificate of Merit (1998)
... satiny pink... flowers are composed of four, sometimes six, deeply textured and grooved tepals, each up to 6.5 cm (2.5 in) long with a deeper pink central bar...