Synonym (also Jordan Akalb, Jordan Alb, Jordan Pineapple, Jordan Galben, Jordan Verde, Jordana, Jordovan, etc.) for the vine variety Iordan; see there.
For me, Lexicon from wein.plus is the most comprehensive and best source of information about wine currently available.
Egon Mark
Diplom-Sommelier, Weinakademiker und Weinberater, Volders (Österreich)