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(First upload on July 29 2009. Last on December 19 2017) [ 日本語 | English ]

Medicago L. (ウマゴヤシ) Murasaki-umagoyashi (ムラサキウマゴヤシ, 紫馬肥)/セイヨウウマゴヤシ, alfalfa or lucerne Lifeform: deciduous perennial forb (3-12 years) Distribution: native to Mediterranean region (exotic to Japan) imported to Japan, mostly Hokkaido, in late Edo → spreading in early Meiji Era particulary to Hokkaido as pasture Hokkaido Blue List: A3

Habitat: flatland, and seacoast (optimal soil pH = 6.5-7.0) Use: pasture, food (bean sprouts) and supplements (vitamins and minerals) Well-known as nitrogen-fixing plant ssp. falcata (L.) Arcang. (コガネウマゴヤシ)

Medicago sativa in Asia

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1 2 3 4
5 6 7
[1-3] collected from a park near Elm Tunnel on July 24 2009. [4] along a paved road within the Utasai wetland (歌才湿原), southwestern Hokkaido, on July 11 2017. [5-7] in the Puppet Emperor Palace (満州国皇宮), Changchun, Jilin Province, northeast China, on June 15 2017. Records: at the weather station of the Institute of Low Temperature Science, Hokkaido University, on August 31 2009. On a sandbar near Kariki Bridge along Toyohira River, Sapporo, on July 14 2020 and June 21 2021.