The variety belongs to the butterhead lettuce group. The plant possesses a pronounced intensity of anthocyanin pigmentation of the leaves, and the variety name is due to the characteristic dark color of the seeds.
In scientific research, the variety is classified as susceptible to lettuce mosaic virus. Historically, it is represented within the traditional assortment of lettuces recommended for spring and summer cultivation and is included in national lists of genetic resources as a variety representing cultural value.
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Countries of admission
2 jurisdictions
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.
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