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    UD 31103

    UD 31103 is a grape variety with black berries.1

    Its country of origin is Italy.1

    In 2023 it covered 0.2 hectares of bearing vineyards worldwide, ranking 1426 of 1497 varieties in the database.1

    The largest area is in Belgium: 0.1 ha (50% of the world total), across 2 countries.1

    Between 2016 and 2023 its area grew by 100%.1

    The Adelaide database lists 2 synonyms.1

    vinoluma engraving: a schematic leaf, not a botanical description of the variety.
    Variety type
    red1
    Origin
    Italy1
    Area, 2023
    <1 ha1
    World rank
    1426 / 14971

    Area by country

    1. Belgium0.1 ha
    2. Switzerland0.1 ha

    Area, 2023

    0.10.22000201020162023
    World area, ha 1

    Where UD 31103 grows

    1. OriginItaly
    2. AreaBelgium
    3. AreaSwitzerland

    Countries from the University of Adelaide database; dots mark country centres, not regions.

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    Other names

    UD-31.103 · Ud31-103

    Other varieties from Italy

    All varieties in the database →

    Sources

    1. Database of Regional, National and Global Winegrape Bearing Areas by Variety, 2000 to 2023. Anderson K., Nelgen S., Puga G. Wine Economics Research Centre, University of Adelaide (CC BY 4.0), 2026. level 3