The red grape (also Callet Cas Concos Negro) comes from the island of Mallorca ( Spain ). According to 2011 were done DNA analysis she is from a natural crossroads Beba x Giro emerged. But this is based in the opinion of biologist Dr. José Vouillamoz on only 19, that is too few DNA markers (see under molecular Genetics ). The variety was parent of the two varieties also grown on Mallorca Callet and Manto Negro, The variety plays but no more role; in 2010 no stock was reported (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012