Petasites japonicus.
Botanical name:
Classic texts: Sturtevant 1919.
Classic texts: Sturtevant 1919.
Henriette's herbal blog: Tussilago and Petasites in flower, yay!
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Petasites japonicus (Sieb. & Zucc.) Maxim.
Engl.: giant butterbur, Japanese sweet coltsfoot.
Deu.: Japanische Pestwurz.
Sven.: bitterskråp, bitterpestrot.
Suom.: japaninruttojuuri.
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