(First upload on June 30 2007. Last on July 17 2021) [ 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) > Fabaceae (Leguminosae) (マメ科) > Lotus corniculatus
Lotus L. (ミヤコグサ)L. corniculatus L.Leaf: five leafletsvar. corniculatus (セイヨウミヤコグサ, 西洋都草) Inflorescence: consisting of 3-7 flowers Leaf: hairy var. japonicus Regel (ミヤコグサ, 都草), Japanese bird's foot lotus Inflorescence: by 1-3 flowers (usually 2) Leaf, stem, and sepal: hairless |
Lifeform: deciduous perennial forb Distribution: East Asia from India to Japan Habitat: common on low-vegetated grassland Habit: pioneer species because of nitrogen-fixing flora on: Mount Koma, Mount Usu Synonyms:
- ssp. japonicus (Regel) H. Ohashi |
|
1
2
3
[1] in the crater basin on September 19 2008. This species came from seedbank on Mount Usu (Tsuyuzaki 1991), and established well in the inside of gully wehre the former topsoil was exposed (Tsuyuzakai 1989). [2] on July 14 2009. [3] on the northern caldera rim on July 26 2017. Records: on the southern part of crater basin on July 5 2022.
1
2
3
[1] along the hilllside on July 12 2006. [2/3] on the northeastern slope on July 10 2017. Records: near the parking lot on July 8 2019.
1
[1] along Atsuma Coast (浜厚真), central Hokkaido, on June 16 2020.
1
2
3
[1] near O-taki Seminar House on June 23 2007 by A. Koyama. See "Field training on integrated environmental research". [2/3] along a bank of Toyohira River close to Kariki Bridge, Sapporo, on June 24 2021.