Arinto
Arinto or Arinto de Bucelas is a white Portuguese wine grape planted primarily in the Bucelas, Tejo and Vinho Verde regions. It can produce high acid wines with lemon notes. Arinto is also known by the synonyms Arintho, Arintho du Dao, Arinto Cachudo, Arinto Cercial, Arinto d'Anadia, Arinto de Bucelas, Arinto do Douro, Arinto Galego, Asal Espanhol, Asal Galego, Assario branco, Boal Cachudo, Branco Espanhol, Cerceal, Chapeludo, Malvasia Fina, Pe de Perdiz branco, Pederna, and Pedernao. Arinto is also part of the name of, or a synonym of other varieties. Notably, Arinto is a synonym of Malvasia Fina and Loureira, and Arinto tinto is a synonym of Tempranillo. Arinto dos Açores, the most common grape variety in the Azores, is a distinct variety, and may be related to verdelho.
Source: Wikipedia