Clematis \c-lema-tis, cl(e)-matis\ as a girl's name is of Greek origin, and the meaning of Clematis is "climbing plant". Flower name, from the blossoming vine with white or purple blooms. Possibly influenced by names such as Clemence, with the -is ending in names such as Phyllis.

Clematis has 3 variant forms: Clematia, Clematice and Clematiss.