Vigna radiata var. sublobata ?
Re: Pueraria species
: 6 posts by 4 authors. 3 images.
This is from Rajnagar, Kumarghat, Tripura
This plant is not seen to have any underground tuber.
This may be some Pueraria or related species
Kindly identify

any inflorescence? any at all? even dried up shrivelled up one?
Pl. check comparative images at 

Don't look like Pueraria sp. Looks like some Vigna species, please check for Vigna sp. in the link provided by ...
Was it cultivated or an escapee from cultivation or wild ?
Pl. check Vigna radiata var. sublobata (Roxb.) Verdc. as per comparative images at Vigna