The white grape comes from Portugal; it is one of the many Boal varieties (look there). Synonyms include Boal, Boal Branco do Algarve, Boal Cachudo, Boal Calhariz, Boal de Alicante, Boal de Calhariz, Boal de Madere and Boal na Madera. According to done in 2012 DNA analysis is a presumably natural crossing between Arinto do Dão ( Malvasia Fina x Dedo de Dama, However, this is based on only 20 DNA markers (see under molecular Genetics ). It may, despite indicating synonyms or morphological Similarities should not be confused with the Malvasia Fina (Boal Branco). In 2010, no inventory was reported (Statistics Kym Anderson ).