Complex sentence: Sercial is the name applied of a white grapes grown in Portugal, especially on the island of Madeira, and gives its name to the dryest of the four classic varieties of Madeira fortified wine.
Split into simpler sentences: Sercial is the name applied of a white grape grown in Portugal, especially on the island of Madeira. It has given name to the dryest of the four classic varieties of Madeira fortified wine.