Clematis 'Hooken'
Japanese large-flowered variety, tepals yellowish white. Anthers reddish purple. The cultivar name is the name of a mountain.
| Group: | Early large-flowered group |
| Pruning: | Light prune (Group 2) |
| Raised by: | Toyohei Saigusa |
| Country of origin: | Japan |
| Date raised: | rb1997 |
| Parentage: | Unknown |
| Further detail: | Flower diameter: 12-15 cm |