The white grape variety comes from Portugal; it is one of the numerous Boal varieties (look there). Synonyms are Boal, Boal Branco do Algarve, Boal Cachudo, Boal Calhariz, Boal de Alicante, Boal de Calhariz, Boal de Madere and Boal na Madera. According to in 2012 DNA analysis is a presumably natural cross between Arinto do Dão ( Malvasia Fina ) x Dedo de Dama, However, this is based on only 20 DNA markers (see under molecular Genetics ). Despite referring synonyms or morphological Similarities should not be confused with the mother variety Malvasia Fina (Boal Branco). No inventory was shown in 2010 (Statistics Kym Anderson ).