Hedychium hookeri C.B.Clarke ex Baker, Fl. Brit. India 6: 230 1892.;
Assam to China (Yunnan): Assam, China South-Central, Myanmar as per POWO;

Id of this Zingiber from Arunachal Pradesh : Attachments (7). 6 posts by 4 authors.
Pl help me identifying this zingiber from Arunachal Pradesh.
Date/Time- May, 2008.
Location- Place, Altitude, GPS- Sagaali; Papumpare district, Arunachal Pradesh (Alt: ca 400m) 
Habitat- Garden/ Urban/ Wild/ Type- Wild
Plant Habit- Tree/ Shrub/ Climber/ Herb- Epiphytic herb
Height/Length- ca 50 cm long.

Could it be Cautleya spicata ?

I am also going for Cautleya spicata

It is Hedychium hookeri C.B. Clarke. If you know his email ID please forward so that we take permission from him for using he image and if possible some materials.