The red grape variety comes from Portugal, Synonyms are Camarate Tinto, Casculho, Castelão da Bairrada, Castelão de Nosso, Castelão do Nosso, Castelão Nacional, Castelão Nosso, Maroto, Morete, Moreto (Synonym for many varieties), Moreto de Soure, Moreto do Douro, Mortágua, Mortagua de Vide Preta, Mureto, Negro Mouro, Preto Mouro and Vide Preta. According to in 2013 DNA analysis is a presumably natural cross between Cayetana Blanca x Alfrocheiro, However, this is based on only 20 DNA markers (see under molecular Genetics ). Despite apparently indicative synonyms or morphological It must not be similar to the variety Baga (Moreto) or its numerous sibling varieties (see Cayetana Blanca ) can be confused. Whether it's a relationship with the French variety Camaralet de Lasseube (with the synonym Camarate) is not known. The Camarate variety was a crossing partner in the new breeding Água Santa, The early ripening vine is susceptible to the real and the wrong mildew. Esca and bunch rot, It produces dark-colored, velvety red wines with a forest berry aroma. The variety is mainly used in the area Bairrada, and also dão. Tejo. Torres Vedras grown. In 2010, 515 hectares of vineyards were reported (Statistics Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012