The white grape variety (also Pully 1-33) is a new breed between Chasselas x Chardonnay, The crossing took place in Switzerland in 1965 through Jean-Louis Simon and André Jaquinet at the Swiss Federal Research Institute Changins at Nyon (canton Vaud). Incidentally, the same parents are also the variety Doral emerged. The early ripening vine is prone to Botrytis and tends to millerandage, It produces fresh, full-bodied white wines that are quite similar to Chardonnay. The variety is grown mainly in the two cantons of Geneva and Valais. In 2010 were in the Switzerland a total of 10 hectares of vineyards recorded.