(First upload on June 29 2014. Last on June 2 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) > Iridaceae (アヤメ科) > Iris pseudacorus
Iris L. (アヤメ)Iris ensata Thunb. (s.l.)Kisyoubu (キショウブ, 黄菖蒲), yellow iris Lifeform: perennial forb, forming extensive colonies Distribution: native to East Asia and Europe (exotic to Japan, cultivated in Meiji Era and escaped thereafter)
caution-needed invasive alien species |
Use: gardening, biotope (controversial due to the biological invasion) Varieties (cultivars) Roy Davidson, Variegata, etc. → commonly used for gardening |
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[1] apparently escpaed from elsewhere and well-established in the Sosei River at N10, Sapporo, on June 2 2014. [2/3] at a pond in garden of Hokkaido Prefectural Government, Sapporo, on May 22 2014. [4/5]