Curcuma ferruginea

Curcuma ferruginea Roxb., Asiat. Res. 11: 336 1810. ;

NE. India to Myanmar as per WCSP;

Bangladesh; India; Myanmar as per Catalogue of Life;



https://08511630493324166816.googlegroups.com/attach/2eab7a34b2898/DSC_0285.JPG?part=0.6&view=1&vt=ANaJVrFtXD4rm8NwJeEcHiYrkWK-uu98OvYqJSk2Q6DTQwewuc_XAzrv7jbF15-HjWzAEs1uBgk52QhKD-Ot1Lgqq8-AI6c2tgfJee56ibJsH71QJN76v5U
https://08511630493324166816.googlegroups.com/attach/3cb475d7fcb41/DSC_0280.JPG?part=0.1&view=1&vt=ANaJVrF_zJOOcR-IElo5aoAQK7u3sZLWTE7c0wRLKoRFGHAYGt4XjDYA7v1Oszl3CbJvIDa9pq6fCnxXjSBcQlOIchSpyyVDLLDtkkbkuJkdracXxxq_cuM
https://08511630493324166816.googlegroups.com/attach/2eab7a34b2898/DSC_0287.JPG?part=0.7&view=1&vt=ANaJVrHHaxsuuPPaM22MKeM4hCLvituZZIb9GSSPUVUeFY6lDaXJDNWWfnJ1XkU6MlUsIR3tosbq8h4YUPpKy3DpByESHSg_sloLLPANPmXOq77hFhP-cBM
 
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https://08511630493324166816.googlegroups.com/attach/2eab7a34b2898/DSC_0281.JPG?part=0.2&view=1&vt=ANaJVrHcxlHRImivvksdjjUL9MPYnx5Eczj62Ke9mMftsPqeVfZVBWVIJpuOBMQhhqymQPm-p_vlu6emvNtUv5OMefcsaQqMYGQhoDRxX-rmd0e2_dncVNM
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SK624 07 JUL-2017:ID : 13 posts by 3 authors. Attachments (7)
Location: Soureni, Mirik, India
Date: 18 May 2017
Altitude: 4200 ft. 
Curcuma zedoaria (Christm.) Roscoe ???

I think your plant is Curcuma caesia, having a deep violet-red patch which runs through the length of the lamina is characteristic for this sp.

check the colour of the rhizome
https://08511630493324166816.googlegroups.com/attach/5c45400cf86cb/_DSC0190.JPG?part=0.1&view=1&vt=ANaJVrGwzrFlfYzlw-PY1ulyC_P6h3FJmEqgXuQqp0bWM4Pi_jZQi2RBiHJd42zUPSXqDpzWg3TuX4rtVz7ctVcRY66YpHGhGB7nuZmx109uPoVaMTSnp4Q
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I think your guess is correct !
Please validate !
Attachments (2)

This is not Curcuma caesia. Its rhizome os dark blue. Here it is more yellowish. Leaves and inflorescence is required for correct ID. 

Thanks, ..., I have forwarded you leaves & inflorescence.

https://groups.google.com/group/indiantreepix/attach/3d6c182ca4eeb/DSC_0310.JPG?part=0.1&authuser=0&view=1
 
Enclosing fresh image of rhizome for ID  validation.
Attachments (1) - 7 mb.

Appears to be Curcuma ferruginea
This looks matching ... and POWO shows distribution for the location.
...: Please see for inclusion in the FoI !

did it have a nice aroma when you cut it? before you dug it out what did the leaves look like?

Curcuma ferruginea Roxb. : 10 posts by 1 author. 9 images- 6 to 7 mb each.
Location: Gyaneswor, Kathmandu, Nepal
Date: 12 May 2020
Altitude: 1300 m.
Habitat : Cultivated.

There are many species with purple patch on the leaves, but the rhizome and flower are the identification features.
Yes, but it is from same rhizome you have ID earlier! 

Same plant from SK624 07 JUL-2017:ID
4 images.
Curcuma ferruginea
Any beneficial and medicinal usage of this plant?
Not much reported uses.


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