I aslo wish you had taken your camera with you. Google discovered the following about this clematis:
A stunning wildflower from the southern foothills of ColoradoÂs Front Range; non-vining bush clematis. Closely related to Clematis ÂGarden Club of DenverÂ, These scottii clematis are long-lived perennials with showy 1" deep blue, bell-shaped flowers
Talking about clematis in the wild I'd like to share my experience:
Last year on an outing with some friends discovered several dozens wild clematis I believe were viticella species. We were crossing a small wood near the town of Nova Zagora, about 200 miles SE from Sofia.
Some pictures:
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Written in Cyrilic: Wild clematis from the woods
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Rooted cutting
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Any chance on going back to the site to get a photo. Cohouser?

Congrats on getting a cutting of the wild clematis to root, neptune44.

Cool!