Photo: Petasites japonicus 4.

Plants in bud. Oulunkylä, Helsinki, Finland. Planted. 2005-04-15.
Petasites japonicus (Sieb. & Zucc.) Maxim. Engl.: giant butterbur, Japanese sweet coltsfoot. Deu.: Japanische Pestwurz. Suom.: japaninruttojuuri. Sven.: bitterskråp, bitterpestrot
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Photo: Petasites japonicus 4.