Dioscorea species- Village chewo, Godda, Jharkhand

For ID22102019RK2-please help in identification : 8 posts by 5 authors. Attachments (1)
Please help in identification of this. Its a local root consumed in Jharkhand.
Local name-Churke
Date-15th August, 2018
Place-Village chewo, Godda, Jharkhand

Dioscorea pentaphylla L. ?
Dioscorea wd. be my guess too. 
one of the rangaloo but be careful of toxic alkaloids identified a century ago.
follow rules set by the local tribals
What are the species of Dioscorea reported from your area ?
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.