Dioscorea species- Village Chewo, Godda, Jharkhand

For ID22102019RK1-please help in identification : 9 posts by 5 authors. Attachments (2)
Please help in identification of this. Its a local root consumed in Jharkhand.
Local name-Nappe
Date-15th August, 2018
Place-Village chewo, Godda, Jharkhand

Dioscorea pentaphylla L. ??

Leaf and flower data is required 
agree with … and remove those roots hiding the bulbous object 
May I request you to post the leaves etc. for determination of the species ?
Sorry sir, I don't have the pictures of leaves and flower.