Clematis patens C.Morren & Decne. [ Clematis coerulea var. grandiflora Hook.]
no HD illustration available (m1)
Clematis patens C.Morren & Decne. [Ranunculaceae]
W. Curtis, Bot. Mag., vol. 69 [ser. 2, vol. 16]: t. 3983 (1843) [W.H. Fitch]