Exacum teres Wall., Fl. Ind. 1: 414 1820.;
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China (Yunnan), Bangladesh, Bhutan, India, Nepal, Sikkim, Assam, Myanmar [Burma] (Bago, Rakhine, Shan) as per Catalogue of Life;
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 /wp-content/uploads/2020/10/bandarban_photo_%20Sourav%20Mahmud.jpg
Habit: Herb
Habitat: Hill slope along the stream
Flowering: December
Location: Bandarban (Aremote stream side near Boga lake)

A reply from another thread:
“The blue one is Exacum species – 1) Exacum tetragonum Roxb., if stem narrowly winged, or 2) E. teres Wall., if stem terete.”

May be E. teres


Image is very small to see any details.
Pl. send a large size image or the original image, for id.

if I find, I will 


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Exacum sp. for identification: 2 high res. images.

Location: Manipur
Habit: Herb
Altitude: 384m
Habitat: wild 
Date:  19/10/2022
Collector : Peimichon


Please check Exacum teres Wall. !


What are the species reported from your area, …?


the picture seems to be similar but there is difference in structure of stem and leaf shape. The stem of my sample four sided/angular.


As far as I have searched, I could not find any reported species of Exacum from the state.


Yes, appears to be Exacum teres as per POWOIBPGBIFBSI Flora of India


 

 


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References:
POWOIBPGBIFBSI Flora of India  The Plant List Ver.1.1  IPNI  Catalogue of Life  Flora of China Annotated checklist of Flowering plants of Nepal  India Biodiversity Portal  Encyclopedia of Life Kew illustration  JSTOR  Indian Gentianaceae: A Check-list By Sunita Garg

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