Image from Flore de Serres (1856)
Image from L'Illustration Horticole 1854
Clematis 'Helena'
White flowers with yellowish stamens. This cultivated form of patens was introduced from Japan in 1836 by von Siebold but now appears to be lost from cultivation.
In the plate from L'Illustration Horticole 1854, 'Helena' is the right-hand flower.
| Group: | Early large-flowered group |
| Country of origin: | Japan |
| Other name(s): | azurea helena; patens var helena; patens 'Helena'; patens 'Helène'; Mis-spelling: 'Helene' |
| Further detail: | Tepals: 6-8; elliptic, pointed, somewhat gappy Leaves: ternate |