(First upload on July 27 2017. Last on March 5 2018) [ 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) > Erigeron acris
Erigeron L. (ムカシヨモギ)Ezomukashiyomogi (エゾムカシヨモギ, 蝦夷昔蓬), bitter fleabane or blue fleabaneLifeform: biennial forb, develping rosettes, with 10-50 cm tall Distribution: widspread in the cool temperate regions in the Northern Hemisphere, including Japan (central Honshu - Hokkaido) |
Habitat: grasslands Seed dispersal: wind Leaf/stem: rough hair var. acris (エゾムカシヨモギ), the type var. amplifolius Kitam. (ヒロハムカシヨモギ) var. kamtschaticus (DC.) Herder (ムカシヨモギ) var. linearifolius (Koidz.) Kitam. (ホソバムカシヨモギ) var. manshuricus Kom. (マンシュウムカシヨモギ) |
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[1-6] on the southwestern slope of Mount Koma (flora), southwestern Hokkaido. [1/2] on July 10 2017. [3-6] on October 3 2017.