Image from Flore des Serres 1854-5
Clematis 'Louisa'
Large white flowers with purple-brown anthers. A cultivated form of patens introduced by von Siebold from Japan in 1836.
| Group: | Early large-flowered group |
| Other name(s): | azurea louisa; patens var louisa; patens 'Louisa' |
| Further detail: | Tepals: 6-8; elliptic, pointed Leaves: ternate |