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(First upload on July 22 2003. Last on January 21 2015) [ 日本語 | English ]

Petasites Mill. (フキ) P. japonicus (Sieb. et Zucc.) Maxim. Fuki (フキ, 蕗) Lifeform: perennial forb Distribution: Japan (south to Tohoku), Korea, Russian Far East, China Habitat: mesic sites Synonyms: Nordosmia japonica Sieb. et Zucc. var. giganteus (Fr. Schm.) Hort. ex Nichols Oobuki (オオブキ, 大蕗), giant sweet coltsfoot Akitabuki (アキタブキ, 秋田蕗) Distribution: Japan (north to Tohoku), Sakhalin, southern and central Kurile

Shoot: extremely large, often becoming 2 m tall and 1.5 m wide Nomen number: 105034. Ill. dict. gard. century suppl. 591. 1900 Synonyms: Petasites amplus Kitam. (Acta Phytotax. Geobot. 1932, p. 115) Petasites liukiuensis Kitam. (Acta Phytotax. Geobot. 1933, p. 178) Use: edible (cultivation: vegetative reproduction = division, to keep the genetic characteristics, such as size and taste)

Petasites japonicus in Japan

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[1/2] at Hibiya Park, Tokyo, on December 27 2014. [3] in the Shimizudani Park, close to Sophia University, on October 19 2018.

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var. giganteus

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[1-4] Mount Usu. [1/2] in late April 1984 when I was in Master's course. [3/4] this individual attaches deformed vegetative leaves on reproductive stalks on April 29 1988. [5/6] at a boardwalk near Sarobetsu Wetland Center, northern Hokkaoido, on May 21 2014.