Synonym (also Corthum) for the grape variety Tauberschwarz; see there.
The red grape variety originates from Germany. Synonyms are Blaue Frankentraube, Blaue Hartwegstraube, Blauer Hängling, Corthum, Corthumtraube, Frankentraube, Grobroter, Hartwegstraube, Häusler, Karmazin, Karmazyn, Süßroth, Vicsanka and Viesanka. It should not be confused with the Blauer Hängling variety (Blaue Hartwegstraube, Frankentraube), despite seemingly suggestive synonyms. According to DNA analyses carried out in 2015, it originates from a presumably natural...
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Egon Mark
Diplom-Sommelier, Weinakademiker und Weinberater, Volders (Österreich)