Photo courtesy of Old Glory
Mauve or mauve blend Hybrid Multiflora.
Bred by Jan Böhm
(Czechoslovakia (former), 1936).
Violet-red. Medium to large, double (17-25 petals), cluster-flowered bloom form.
Climbing. Glossy foliage.
USDA zone 6b through 9b (default). Very vigorous.
Misspelled as 'Vlata' in Sangerhausen.