The red grape variety originates from the Dalmatian area of Split in Croatia. Synonyms are Abokatac, Advokatac, Brgljun, Bugava, Carnjenak, Glavinuša Crna, Glavanjuša, Glavinka, Okatac, Okatac Crni, Okatac Veliki, Okatatz, Okatatz Noir, Pavisak, Plavac Dugi, Ružica, Ružica Crvena and Srliznak. According to DNA analyses carried out in 2013, it is a presumably natural cross between Plavac Mali x Vugava. However, this is based on only 20 DNA markers (see molecular genetics). The late-maturing vine is generally resistant to various vine diseases. It yields low-acid red wines that are used in the sweet wine Prošek. The variety is cultivated in small quantities in the Dalmatian hinterland, as well as on the Croatian islands of Šolta and Vis. With other autochthonous varieties, it is part of a revitalisation project. In 2016, however, no stand was recorded (Kym Anderson).
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