Clematis patens C.Morren & Decne.
no HD illustration available (m1)

___ Clematis x patens C.Morren & Decne. cv. Stella & Fair Rosamond [Ranunculaceae]
L.B. Van Houtte, Fl. Serres, vol. 22 (Annales Générales d’Horticulture): (1845)