The white grape variety comes from Italy, Synonyms are Greco Bianco di Cirò, Greco del Cirotano, Greco di Cirò, Guardavalle di Passuli, Montonico di Rogliano, Uva da Passito, Uva Greca and Vardavalli. Despite apparently suggesting synonyms or morphological or name similarities not to the varieties Greco. Greco Bianco or Mantonico Bianco be confused. When were done in 2004 and 2008 DNA analysis the varieties previously regarded as independent have proven to be identical.
The late-ripening vine produces slightly astringent white wines with a nutty aroma. It is named after the city of the same name in the province of Catanzaro on the Ionian coast. The variety is now called Guardavalle mainly in the Reggio Calabria province in the region Calabria grown. There she is in the DOC wine Bivongi authorized. However, it is widely distributed in Calabria under the name Greco Bianco di Cirò. In 2010 a vineyard area of 33 hectares was shown (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012