rock clematis Ranunculaceae Clematis
columbiana (Nutt.) Torr. & A. Gray
|Leaf: Opposite, deciduous, trifoliate; individual leaflets oval to cordate with entire margins, may be deeply lobed.
Flower: Species is usually dioecious; showy, nodding pale purple flowers with 4 pointed hairy sepals.
Fruit: Small dry brown seeds with a long white feathery plume, borne in thin pompom-like heads, can be nearly as showy as the flowers.
Twig: Initially green, and changing to red-brown, numerous ridges, wiry, climbs by twining.
Bark: Initially smooth and red-brown, later developing long splits.
Form: A creeping or low-climbing vine to 12 feet.
Looks like: virgin's bower
- white clematis
| Additional Range Information:
Clematis columbiana is native to North America.
Range may be expanded by planting.
See states reporting rock clematis.
| External Links:
USDA Plants Database
|© Copyright 2016, Virginia Tech|
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson