Japanese Bird's Foot Lotus
Lotus corniculatus L. var. japonicus Regel [Fabaceae]
[ Hokkaido | Mount Usu | Mount Koma ]
Miyakogusa (ミヤコグサ, 都草)
Lifeform: deciduous perennial forb
Distribution: East Asia from India to Japan
Habitat: common on low-vegetated grassland
Habit: pioneer species because of nitrogen-fixing
Lotus L.
Natives: two species in Japan, and one species in Hokkaido
L. australis Andr. (シロバナミヤコグサ): Ryukyu Islands
L. corniculatus L. var. japonicus Regel (ミヤコグサ)
- f. versicolor Makino (ニシキミヤコグサ): scarlet-red flower
Exotics:
L. corniculatus L. var. corniculatus (セイヨウミヤコグサ): the type
L. tenuis Waldst. et Kit. ex Willd. (ワタリミヤコグサ)
L. uliginosus Schk. (ネビキミヤコグサ)
Lotus corniculatus in Hokkaido
Otaki
Near O-taki Seminar House on June 23 2007 by A. Koyama. See "Field training on integrated environmental research".
Mount Usu
[Left] In the crater basin on September 19 2008. This species came from seedbank on Mount Usu (Tsuyuzaki 1989), and could establish well in the inside of gully wehre the former topsoil was exposed (Tsuyuzakai 1991). [Rgiht] On July 14 2009.
Mount Koma
Along the hilllside on July 12 2006.
References
- flora on Mount Koma
- flora on Mount Usu
- Tsuyuzaki, S. 1989. Contribution of buried seeds to revegetation after eruptions of the volcano Usu, northern Japan. Botanical Magazine, Tokyo 102: 511-520
- Tsuyuzaki, S. 1991. Survival characteristics of buried seeds 10 years after the eruption of the Usu Volcano in northern Japan. Canadian Journal of Botany 69: 2251-2256