ID requested (Herb); Mudumalai, Nilgiris, TN (Sep 2019):
Large herb (individuals of about 50-60 cm height when observed).
Member of Utricaceae
Looks like a nettle plant. Could be a kind of stinging nettle : Urticaceae member ???
Possibility for Stenosiphonium sp is there.
An Urticaceae? on seeing the leaf surface