Curcuma species- Mualpheng, Mizoram

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Curcuma sp. for ID. (Zingiberaceae) : 6 posts by 4 authors. Attachments (1).

Location : Mualpheng, Mizoram
Date : 03-06-2009
Habit : Herb
Habitat : Grows in grassland. Probably wild.

Is it Curcuma petiolata?

Curcuma aeruginosa ?

Curcuma zanthorrhiza; I suggest.

Pl. let me know the colour of the rhizome as there are 4-5 spp. with same type of purple patch on the leaf.