Exacum teres ?

Exacum teres Wall., Fl. Ind. 1: 414 1820. ?;

China (Yunnan), Bangladesh, Bhutan, India, Nepal, Sikkim, Assam, Myanmar [Burma] (Bago, Rakhine, Shan) as per Catalogue of Life;


 
 https://08511630493324166816.googlegroups.com/attach/6507a5ec6d5ecd82/bandarban_photo_%20Sourav%20Mahmud.jpg?part=0.1&view=1&vt=ANaJVrH_-hPtsYUbQ9fPJ2s44aSZprH7ufBs7dHCfOieKzDV6_pfW7SWGQ5-ZsHiu7Wcizyb_LOcCVmPueitOfIjDOVJhwWNz7jxoO97wX8GwKC9ciQAlWo
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 



Comments