| Family | Fabaceae (alt. Leguminosae) |
| Subfamily | Faboideae |
| Tribe | Phaseoleae |
| Subtribe | Phaseolinae |
| Scientific name | Vigna minima (Roxburgh) Ohwi & H. Ohashi var. minor (Matsumura) Tateishi |
| Synonyms | Azukia riukiuensis (Ohwi) Ohwi; Phaseolus riukiuensis Ohwi; Vigna lutea A. Gray var. minor Matsumura; Vigna riukiuensis (Ohwi) Ohwi & H. Ohashi |
| Common name | (Japanese common name) hina-azuki (ヒナアズキ, 雛小豆 [meaning: tiny azuki]), hime-turu-azuki (ヒメツルアズキ, 姫蔓小豆 [meaning: dwarf crimbing azuki]), koba-no-turu-azuki (コバノツルアズキ, 小葉蔓小豆 [meaning: small leaved crimbing azuki]) |
| (English common name) none | |
| Distribution | (Japan) Okinawa |
| (Other nations) Taiwan | |
| Habitat | Field or forest edge near sea |
| Chromosomal number | 2n=22 |
| Description | Plants creeping or crimbing. Leaves 3 leaflets each 2-4cm long, 1.2-2cm wide. Flowers yellow ca. 1cm long, flowering in all seasons. Fruits 3.5-4.5cm long. Vine. Perennial plants. |
| Reference | Vigna minima (Roxb.) Ohwi & H. Ohashi |
| Vigna riukiuensis (Ohwi) Ohwi & Ohashi |
| July 2008 at forest edge in Okinawa |
July 2008 at forest edge in Okinawa |
July 2008 at forest edge in Okinawa |
| July 2008 at forest edge in Okinawa |
July 2008 at forest edge in Okinawa |