Tinta Francisca is a red wine

Wine

Wine is an alcoholic beverage, made of fermented fruit juice, usually from grapes. The natural chemical balance of grapes lets them ferment without the addition of sugars, acids, enzymes, or other nutrients. Grape wine is produced by fermenting crushed grapes using various types of yeast. Yeast...

 grape found primarily in the Douro DOC and is sometimes used in Port wine

Port wine

Port wine is a Portuguese fortified wine produced exclusively in the Douro Valley in the northern provinces of Portugal. It is typically a sweet, red wine, often served as a dessert wine, and comes in dry, semi-dry, and white varieties...

 production. The grape is often confused with the similarly named Touriga Francesa

Touriga Francesa

Touriga Franca is one of the major grape varieties used to produce port wine. Touriga Franca is lighter and more perfumed than Touriga Nacional, adding finesse to the wine. Touriga Franca has been described by Jancis Robinson as playing "Cabernet Franc to Touriga Nacional’s Cabernet Sauvignon"...

. There are some theories that the grape maybe related to Pinot noir

Pinot Noir

Pinot noir is a black wine grape variety of the species Vitis vinifera. The name may also refer to wines created predominantly from Pinot noir grapes...

 but no ampelographical link has yet been discovered between the two varieties. The grape is known for its sweet perfume but has less concentration than other Port grapes.