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(First upload on March 2 2016. Last on April 11 2019) [ 日本語 | English ]

Vicia L. (ソラマメ) Yahazuendou (ヤハズエンドウ, 矢筈豌豆), garden vetch (USDA) Karasunoendou (カラスノエンドウ, 烏野豌豆) Lifeform: annual or biennial forb Distribution: widespread in the temperate regions of Eurasia, including Japan (south to Honshu) Habitat: sunny sites, such as grasslands and roadlsies Seed: self-dispersal, germinated in autumn in Japan Chromosome number: 2n = 12, or 24 Synonyms: - var. angustifolia (L.) Wahlenb.

- ssp. angustifolia (L.) Gaudin var. segetalis (Thuill.) Ser. Vicia angustifolia L. var. segetalis (Thuill.) W. D. J. Koch Vicia angustifolia L. Vicia segetalis Thuill. Vicia sativa L. var. nigra L. ssp. nigra (L.) Ehrh. (ヤハズエンドウ) var. minor (Bertol.) Gaudin (ホソバヤハズエンドウ) f. normalis (Makino) Kitam. (ツルナシヤハズエンドウ) ssp. sativa (オオヤハズエンドウ), originally distributed in Europe (recently reported from Japan as exotic species

Vicia sativa in Japan

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1 2 3
4 5 6
[1/2] in Oi Pier Seaside Park, faced to Keihin Canal, Tokyo, on December 26 2015. [3/4] along a paved road near JR Nagasaki Station, northwestern Kyushu, on April 16 2017. [5/6] in the South Park of Kobe Port Island, western Japan, on March 15 2019. Records: between JR Hamamatsucho Station and JR Shinbashi Station along a road in Tokyo on April 6 2025.