Baroque

Ba·roque

of, pertaining to, or characteristic of, an artistic style common in the 17th century, characterized by the use of complex and elaborate ornamentation, curved rather than straight lines, and, in music a high degree of embellishment. (Arch.)
Hence, overly complicated, or ornamented to excess; in bad taste; grotesque; odd.
Irregular in form; -- said esp. of a pearl.