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(First upload on August 28 2013. Last on June 4 2023) [ 日本語 | English ]

Armoracia G. Gaertn., B. Mey. et Scherb. (セイヨウワサビ) Seiyouwasabi (セイヨウワサビ, 西洋山葵), horseradish Wasabidaikon (ワサビダイコン, 山葵大根), Umadaikon (ウマダイコン, 馬大根) Lifeform: perennial forb < 150 cm high Distribution: native to East Europe (exotic to Japan, in particular, Hokkaido) Habitat: arable lands, waste grounds and by-streams, probably escaped from crop fields Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Physiology: cold tolerant Edible plant: whole parts, escpecially, rhizomes Wasabi (ワサビ, 山葵) in Hokkaido Armoracia rusticana P. Gaertn., B. Mey. et Scherb. (セイヨウワサビ) Cardamine yezoensis Maxim. (エゾワサビ) Cardamine valida (Takeda) Nakai (アイヌワサビ) Eutrema japonicum (Miq.) Koidz., formerly Wasabia japonica (Miq.) Matsum. (ワサビ) Eutrema tenue (Miq.) Makino, formerly Wasabia tenuis (Miq.) Matsum. (ユリワサビ), endemic to Japan

Armoracia rusticana in Hokkaido

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4 5 6
[1/2] at a street garden, N30/E3, East Ward, Sapporo, on Juy 21 2013. [3-5] at the Institute of Boreal Environments, Kushiro, eastern Hokkaido, on June 28 2015. [6] besides a hedge in N23/W2, North Ward, Sapporo, on May 13 2023.