The red grape variety comes from Germany, Synonyms include Blue Timber, Blue Hudler, Blue Claw, Blue Luttenberger, Blue Rattle, Yellowwood, Clatter, Räuschling Noir, Black Lomersheimer and Black Räuschling. She is not allowed with the variety Red Rattleling be confused. According to done in 2013 DNA analysis is a presumably natural cross between White Heunisch ( Gouais blanc ) x unknown partner. No stocks were reported in 2010 (Kym Anderson ).
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)