Exacum sessile

Exacum sessile L., Sp. Pl. 112 1753. (syn: Exacum macrantherum Miq.);

SW. India, Sri Lanka as per POWO;

herb from a laterite hillock of Kozhikode district : 11 posts by 2 authors. Attachments (2) - 2 & 3 mb.
Please identify this herb from a laterite hillock of Kozhikode district of Kerala. 3/9/20
Check with Loganiceceae member of Mitrasacme indica

Ok, I will check. 
These are the floral details of the same.
Attachments (3)- 1 to 2 mb. 

Pls go through the exacum paper.. Looks like exacum sessile. I can send the paper