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(First upload on December 18 2021. Last on October 4 2023) [ 日本語 | English ]

Cirsium Mill. (アザミ) Tai-azami (タイアザミ, 大薊, s.l.) Hakone-azami (ハコネアザミ, 箱根薊), Iga-azami (イガアザミ, 毬薊) Lifeform: perennial forb ≈ 1-2 m tall when flowering Distribution: endemic to Japan (between Kanto District and southern Chubu District) Habitat: forests and grasslands

Synonyms: Cirsium nipponicum (Maxim.) Makino var. comosum (Franch. et Sav.) Kitam. Cirsium nipponicum (Maxim.) Makino var. sawadae (Kitam.) Kitam. Cirsium nipponicum (Maxim.) Makino var. incomptum (Maxim.) Kitam. Cirsium incomptum (Maxim.) Nakai var. incomptum (Maxim.) Kitam. (タイアザミ, s.s.) Hybrids: C. comosum × C. oligophyllum (ノハラタイアザミ) C. comosum × C. microspicatum (アズマタイアザミ)

Cirsium comosum in Japan

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[1-3] along a trail in Togendai, Hakone, central Honshu, on August 21 2021. [4/6] at the middle of Mount Mihara, Izu-Oshima Island (伊豆大島), on June 7 2023.