Clematis 'Kooyasan'
Japanese large-flowered variety, no colour was given for the tepals . Anthers yellow. The cultivar name is the name of a mountain (and temple).
| Group: | Late large-flowered group |
| Pruning: | Hard prune (Group 3) |
| Raised by: | Kichiya Shiozaki |
| Country of origin: | Japan |
| Further detail: | Flower diameter: 15-16cm |