Photo: Clematis columbiana 0.
Botanical name:
Closeup of flowering branch. Cloudcroft, NM, US. Wild. 1998-06-01.
Clematis columbiana (Nutt.) Torr. & Gray
Engl.: Rocky Mountain clematis, climbing purple virgin's bower, rock clematis, whorl-leaved virgin's bower.
Bot. syn.: Atragene americana Sims., Atragene columbiana Nutt., Clematis pseudoalpina (Kuntze) A. Nels., Clematis verticillaris DC.