Photo: Dracocephalum ruyschiana 1.

Flowers. Helsinki, Finland. Planted. 2002-06-29.

Dracocephalum ruyschiana L.
Engl.: northern dragonhead.
Deu.: Drachenkopf.
Suom.: isoampiaisyrtti.
Sven.: drakblomma, svensk drakblomma.
Bot. syn.: Ruyschiana spicata Mill., Zornia linearifolia Moench