IONNA

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Castanea sativa Mill. Sweet chestnut · Fruit crops

also searched as: ионна

Variety description

10 August 2026

The IONNA variety, also known as Bionda, is a local traditional variety of Castanea sativa, common in Italy, in particular in the Mercogliano and Partenio areas. The fruits are characterized by a porous flesh texture and high sugar content, as well as an easily detachable epidermis.

This variety is officially included in the documentation related to the protected geographical indication Castagna del Partenio. The agrotechnical characteristics of the plant are not presented in detail in open sources due to the local origin of the variety.

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Countries of admission

1 jurisdiction

Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

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Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Records are sourced from official registry publications. Data sources and legal status

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