Book  (Oct 2001)  Page(s) 190.  Includes photo(s).

Magazine  (1966)  Page(s) No. 164, p. 275.  
 
Clematis (hybrids)...
From France. Plants presented by Andra Girault, Horticulteur-Pepinieriste, Orleans (Loiret). Received Nov. 18, 1959.
...261356. 'Purpurea Plena'.

Book  (1898)  Page(s) 71.  
 
Variétés Horticoles
IIIe Groupe.— VITICELLA.
Flore-pleno (Hort).  Fleur à quatre sépales bleu cendré rougeâtre, avec de nombreux filaments pétaloïdes formant une rosette centrale.

Book  (1872)  Page(s) 155.  
 
C. VITICELLA PURPUREA PLENA ( Hort. ).— This belongs to the true type of C. Viticella, and is a free grower, of moderate vigour, and a profuse and con tinuous bloomer. The leaves are pinnatisect, with lance-shaped leaflets, and the blossoms, which are of dull grayish purple, are double, having a large tuft of petaloid filaments forming a rosette in the centre ; they are abundantly produced, but from their peculiar shade of colour are not very attractive.