It was actually bred in France:
Bred by Francis Meilland (1912-1958) (France, 1957)
Registration name: MEIdomonac
Exhibition name: Bonica ® (shrub, Meilland, 1975)
United States - Patent No: PP 5,105 on 20 Sep 1983
Application on 20 Jan 1982
Only the person or company that named it could answer the significance of the name.
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