(First upload on October 27 2017. Last on July 11 2019) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Asteraceae (キク科) > Cirsium japonicum
Cirsium Mill. (アザミ)Noazami (ノアザミ, 野薊), Japanese thistleLife form: tall perennial forb ≈ 0.5-1 m high, producing rosettes Distribution: widespread in the Asian Continent, including Japan (south to Honshu) Habitat: grasslands, river beds, etc. Flower: in spring (the other Cirsium species do not produce in spring) Chromosome number: 2n = 17 Synonyms: Cirsium japonicum Fisch. ex DC. var. maritimum Konta et Katsuy. ssp. maackii (Maxim.) Nakai (カラノアザミ) |
var. australe Kitam. (タカサゴアザミ) var. diabolicum (Kitam.) Kitam. ex Ohwi (オニオオノアザミ) var. horridum Nakai (トゲアザミ), many spines var. ibukiense (Nakai) Nakai ex Kitam. (ミヤマコアザミ) var. okiense H. Koyama et Murata (オキノアザミ) var. takaoense Kitam. (シロバナタカサゴアザミ) var. vestitum Kitam. (ケショウアザミ) f. arakii (Kitam.) Kitam. (シロバナケショウアザミ) var. villosum Kadota (ビャッコウアザミ)f. leucanthum Nakai (シロバナアザミ) |
|
1
2
3
4
5
6
[1-6] at a bank along Sophia Street, Chiyoda Ward, Tokyo. [1-3] on May 26 2017. [4-6] on May 24 2019.