Photo: Petasites hybridus 16.
Dark pink flowerbud and greenish light pink young leaf, with last year's root scar showing aboveground between them. Vantaanjoki, Helsinki, Finland. Wild. 2005-04-16.
Petasites hybridus (L.) P. G. Gaertn., B. Mey. & Scherb
Engl.: butterburr, pestilence wort, blatterdock, bog rhubarb, butter-dock, butterbur, sweet coltsfoot.
Deu.: Gewöhnliche Pestwurz, Rote Pestwurz.
Suom.: etelänruttojuuri.
Sven.: pestskråp, pestilensrot, pestrot, skråp.
Bot. syn.: Petasites officinalis Moench, Petasites ovatus Hill, Petasites vulgaris Hill, Tussilago hybrida L., Tussilago petasites L.