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(First upload on June 30 2007. Last on July 17 2021) [ 日本語 | English ]

Lotus corniculatus L.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Lotus L. (ミヤコグサ)
L. corniculatus L.
Leaf: five leaflets
var. 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
f. versicolor Makino (ニシキミヤコグサ), scarlet-red flower

索引

Lotus corniculatus in Hokkaido


var. japonicus

Mount Usu

ST1 ST2 ST3
[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.

Mount Koma

ST1 ST2 ST3
[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.

Hokkaido

ST1
[1] along Atsuma Coast (浜厚真), central Hokkaido, on June 16 2020.


var. corniculatus

AK1 ST2 ST3
[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.

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