| Scientific name | Vicia japonica A. Gray |
| Subfamily | Faboideae |
| Tribe | Fabeae |
| Synonyms | Vicia japonica A. Gray forma albiflora Honda; Vicia japonica A. Gray var. oblongifolia A. Gray |
| Common name | (Japanese common name) hiroha-kusa-fuji (ヒロハクサフジ, 広葉草藤 [meaning: broad leaved herbal fuji (fuji = Wisteria floribunda)]), hama-kusa-fuji (ハマクサフジ, 浜草藤 [meaning: coastal herbal fuji]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu (east of Mie Prefecture) |
| (Other nations) Russia (Far East), Korea | |
| Habitat | Sand beach |
| Chromosomal number | 2n=12 |
| Description | Plants creeping 50-100cm long. Leaves 5-8 pairs leaflets, each 1-2cm long, 5.10mm wide. Flowers blue purple, flowering in June to September. Fruits 2-2.5cm long. Vine, Perennial plants. |
| Reference | Vicia japonica A. Gray |
| July 2007 at Tsukuba Botanical Garden |
July 2007 at Tsukuba Botanical Garden |
July 2007 at Tsukuba Botanical Garden |