Vigna caracalla (L.)Verdc., Pl. Rar. 1: 41 (1764) (syn: Caracalla pulcherrima Tod.; Phaseolus bertonii Bertoni; Phaseolus caracalla L.; Phaseolus caracallensis St.-Lag.; Phaseolus longirostratus Ducke) as per Catalogue of life;
Mexico to S. Tropical America: Argentina Northeast, Argentina Northwest, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, Ecuador, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua, Panamá, Paraguay, Uruguay; Introduced into: Dominican Republic, India, Jawa, Puerto Rico, Queensland, Sri Lanka as per POWO;
Identify Fabaceae Member: 2 images.
One year ago my friend planted this plant (Ganapati ful named locally due to shape of Lord Ganesha) in his School garden in Bhavnagar Gujarat
Pic credit. Sh. Kishorbhai Bhatt
Vigna vexillata (L.) A.Rich. ??
OK. That was just a guess !