Dracocephalum L.
Publ. & Syn.Casual: Dracocephalum thymiflorum.
Chromosomes(1) 18 (2x?, x = 9?). - Europe, Siberia, Canada. - Numerous reports.
(2) 24 (3x?, x = 6?). - Europe. - At least three reports.
(4) 36 (4x?, x = 9?). - Europe, Far East, Canada (adventive). - Numerous reports, 31 counts from Sweden alone.
GeographyEuropean - Asian (W): RUS* SIB*.
Parent taxonLamiaceae
Child taxa Dracocephalum palmatum Stephan ex Willd.
Dracocephalum parviflorum Nutt.
PAF ID7704
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Panarctic Flora Editor-in-Chief: Reidar Elven (Natural History Museum, University of Oslo)
Editorial Committee: Reidar Elven, David F. Murray (Museum of the North, University of Alaska), Volodya Yu. Razzhivin (Komarov Botanical Institute, Russian Academy of Sciences), Boris A. Yurtsev [deceased] (Komarov Botanical Institute, Russian Academy of Sciences)