Yes, it is seems to be *Hedychium stenopetalum.* This species is widely distributed i Northeast India. This is the tallest species among the genus.
-- *Prabhu Kumar K M* Scientist Plant Systematics & Genetic Resources Division Centre for Medicinal Plants Research (CMPR) & 'CMPR' Herbarium Kottakkal Arya Vaidya Sala Kottakkal, Malappuram *E-mail: [email protected]* --
