| Family | Fabaceae (alt. Leguminosae) |
| Subfamily | Faboideae |
| Tribe | Phaseoleae |
| Subtribe | Glycininae |
| Scientific name | Amphicarpaea edgeworthii Bentham |
| Synonyms | Amphicarpaea bracteata (L.) Fernald subsp. edgeworthii (Bentham) H. Ohashi; Amphicarpaea japonica Bentham; Amphicarpaea japonica (Oliver) B. Fedtschenko; Amphicarpaea edgeworthii Bentham var. japonica Oliver; Amphicarpaea edgeworthii Bentham var. trisperma (Miquel) Ohwi; Amphicarpaea trisperma (Miquel) Baker ex Kitagawa; Falcata edgeworthii (Bentham) Kuntze; Falcata japonica (Oliver) Komarov; Shuteria trisperma Miquel |
| Common name | (Japanese common name) yabu-mame (ヤブマメ, 藪豆 [meaning: bush been]) |
| (English Common name) Chinese hog-peanut | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China, Nepal, India | |
| Chromosomal number | 2n=22 |
| Description | Leaves ternate, terminal leaflet 3-6cm long, 1.5-5cm wide. Flowers blue-purple 15-20mm long, flowering in September to October. Fruits 2.5-3cm long, 7-8mm wide. Annual plants. |
| Reference | Amphicarpaea edgeworthii Benth. |
| Method for detecting target plant genus (US Patent 7144702/2006) |
| September 2006 at edge of forest |
September 2006 at edge of forest |
September 2006 at edge of forest |
| September 2006 at edge of forest |
September 2006 at edge of forest |