The red grape variety (also known as Nessuno Conosciuto) originates from Italy. The name is probably derived from the Italian word "rondine" for swallow and means "little swallow" as a diminutive form, presumably alluding to the dark colour of the berries or the pyramid-shaped clusters.

The earliest mention of the variety dates back to 1882 and its parentage is unknown (ex VIVC catalogue). However, there is a DNADNA analysis from 2006 which revealed a presumably natural cross between Corvina Veronese x unknown parent variety (ex Wine Grapes).
The medium to late-maturing, very high-yielding vine is resistant to fungal diseases such as both types of mildew and botrytis, resistant to drought, but susceptible to the wood disease Esca. It produces colourful and acidic red wines with a cherry flavour. A somatic mutation with pink-coloured berries is Rondinella Rosa.
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