Treixadura or Trajadura is white Portuguese wine grape variety grown primarily in the Vinho Verde wine region of northeast Portugal and the Galician wine regions of Ribeiro and Rías Baixas in Spain where the variety is known as Treixadura. The grape is primarily a blending variety that adds body and light lemony aromatics to wines. It is most commonly blended with Loureiro and Alvarinho in Rías Baixas while in Ribeiro it is often blended with Torrontés and Lado.
Wine regions 
In Portugal, Treixadura is primarily found in the Minho wines of Vinho Verde which includes 58,000 hectares (143,300 acres) of DOC plantings near the Spanish border and another 12,000 ha (29,650) outside the DOC boundaries. While Alvarinho is the most widely planted white grape in this region, Treixadura is grown and blended with Alvarinho as well as Loureiro, Paderna, Azal Branco and Avesso.
In Spain, while Treixadura is most commonly found in the Rías Baixas and Ribeiro Denominación de Origen (DO)s, it is also found in other Galician wines such as the Monterrei DO where it is blended with Dona Blanca, Godello and Palomino. In Rías Baixas the grape is often blended with Albariño (Alvarinho), Loureira, Caino blanco, Torrontes and Godello. In Ribeiro it is often blended with Albariño, Albilla, Godello, Palomino, Loureira, Macabeo and Torrontes.
In addition to its Spanish synonym Trajadura it has also been known as Treixadura blanca, Teixadura blanca, Tragadura, Trinca dente, Trincadente, Trincadeira and Verdello Rubio.
- J. Robinson Jancis Robinson's Guide to Wine Grapes pg 189 Oxford University Press 1996 ISBN 0198600984
- Oz Clarke Encyclopedia of Grapes pg 270 Harcourt Books 2001 ISBN 0-15-100714-4
- P. Saunders Wine Label Language pp. 233-237, 258 Firefly Books 2004 ISBN 1-55297-720-X
- Vitis International Variety Catalogue (VIVC) Trajadura Accessed: July 7th, 2012