| Family | Fabaceae |
| Scientific name | Vigna caracalla (L.) Verdcourt |
| Synonyms | Caracalla pulcherrima Tod; Phaseolus bertonii Bertoni; Phaseolus caracalla L.; Phaseolus caracallensis St.Lager; Phaseolus longirostratus Ducke |
| Common name | (English common name) snail vine, corkscrew flower |
| (Japanese common name) none | |
| Distribution | Mexico, Guatemala, Panama, Peru, Brazil, Paraguay, Uruguay |
| Reference | Vigna caracalla (L.) Verdc. |
| Vigna caracalla (Corkscrew Flower) | |
| Snail Vine |
| January 2007 at Ibaraki Prefecture Flower Park |
January 2007 at Ibaraki Prefecture Flower Park |
January 2007 at Ibaraki Prefecture Flower Park |