Colour mutation (also Licronaxu Nero Nuraxinieddu) of the grape variety Licronaxu Bianco = Brustiano Bianco; see there.
The white grape variety originates from Italy; it is found under different names in Corsica (France) and Sardinia (Italy). Synonyms are Arremungiau, Brustiano, Brustianu, Calitrano, Calitranu, Colitrano, Lacconargiu, Lacconarzu, Licronaxiu, Licronaxu Bianco and Remungiò....
The glossary is a monumental achievement and one of the most important contributions to wine knowledge. Of all the encyclopaedias I use on the subject of wine, it is by far the most important. That was the case ten years ago and it hasn't changed since.
Andreas Essl
Autor, Modena