Ophiorrhiza mungos

Ophiorrhiza mungos L., Sp. Pl. 150 1753. (syn: Ophiorrhiza ostindica Christm. [Invalid]); 

India to W. Malesia as per WCSP;

Andaman Is.; Assam; Bangladesh; China South-Central; East Himalaya; India; Jawa; Malaya; Myanmar; Nicobar Is.; Sri Lanka; Sumatera; Thailand; Vietnam as per Catalogue of Life

Common name: Indian Snake Root, Mongoose plant • Hindi: सरहटी Sarhati • Kannada: Bili garuda paathaala, Garuda paathaala • Malayalam: Avlipori • Marathi: Mungusavela, नागवेळी Nagvelli • Sanskrit: सर्पाक्षी Sarpakshi, Sarpari • Tamil: Kirippuntu, kirippurantan • Telugu: Sarpaakshi chettu, Sarpaari chettu • Kuki: Chak-lambi

Annual erect herbs, rooting at lower nodes. Leaves 7-15 x 3-6 cm, elliptic or elliptic-lanceolate, base attenuate, apex acuminate, chartaceous, hirsute on veins below; petiole to 1.5 cm; stipules subulate, 3-5 mm long, 2-fid at tip. Flowers in terminal branched, scorpioid cymes, dense. Peduncle to 2.5 cm long, rusty pubescent. Calyx tube c. 1 mm long; lobes obscure. Corolla 0.8-1 cm long, white with pink shades on lobes. Capsule 2.5-3 long, 4-6 mm wide, obcordate, laterally compressed, glabrous, dehiscence loculicidal. Seeds many, angular.
Flowering and fruiting: August-October
Semi-evergreen forests, also in the plains 
(attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from India Biodiversity Portal)

Herb ID from Bangladesh SM035 : 3 posts by 2 authors. Attachments (1).
Habit: Undergrowth Herb
Habitat : Hill forest
Flowering : May
Location : Kaptai NP,Chittagong Hill tracts
Ophiorrhiza sp
It is is think Ophiorrhiza mungos L.
Images of Ophiorrhiza fasciculata in FOI looks different from those at https://www.researchgate.net/figure/Fig-3-Ophiorrhiza-fasciculata-D-Don-a-habit-b-inflorescence-c-flower-d-fruit_269558597_fig3
I think these need s to be re-looked.
Images in FOI has been corrected to http://www.flowersofindia.net/catalog/slides/Indian%20Snake%20Root.html

Request for ID : 241210 : AK-1: Taken at the Royal Botanic Gardens at Peradeniya, Kandy, Sri Lanka on the 17th of November, 2010. A small garden plant.
- This is Ophiorrhiza mungos (Rubiaceae). For further details: http://ayurvedicmedicinalplants.com/plants/387.html
Appears more closer to images of Ophiorrhiza fasciculata at https://www.researchgate.net/figure/Fig-3-Ophiorrhiza-fasciculata-D-Don-a-habit-b-inflorescence-c-flower-d-fruit_269558597_fig3

Not too sure.
Ophiorrhiza mungos, the id suggested earlier also matches with images on searching.
I found this link in Google images
Thanks, ... Pl. check the publication link I have sent you. 
I find this types of inflorescence in Ophiorrhiza mungos also as per

Yes it is Ophiorhiza mungos
13062013 ASP 50 : Attachments (1). 3 posts by 3 authors.
Please ID this medicinal herb. Photo was taken in Haldumella in the upcountry area in Sri Lanka in March 2013.
It looks like an Ophiorrhiza species, most probably O. mungos.
Ophiorrhiza mungos
Appears more closer to images of Ophiorrhiza fasciculata at https://www.researchgate.net/figure/Fig-3-Ophiorrhiza-fasciculata-D-Don-a-habit-b-inflorescence-c-flower-d-fruit_269558597_fig3
I find this types of inflorescence in Ophiorrhiza mungos also as per
High resolution specimen3 
can any one see flowers and calyx here in this plant?
flora of china starts its classification out with calyx:  yes or no....
this is a potted plant, so a captive subject, easy to follow up and study, and wait till the flowers open ..
can that be done?

Flower for Id -ID05102019SH2 : 6 posts by 3 authors. Attachments (2)- around 850 kb each. 
Flower for id pl.
Location - Sirsi (North Karnataka)
Date - September 2019
Sorry for bad picture quality

Thanks ... Can it be Ophiorrhiza tricocarpa ?

Looks close. Please wait for other member's comments.
To me appears close.
MS March,2020/06 Ophiorrizha sp. ? for ID : 7 posts by 2 authors. Attachments (3)
Location : Hmuifang, Mizoram
Date : 15-04-2019
Habit : Undershrub ?
habitat : Wild

What are the species reported from your area ?
I feel it may be Ophiorrhiza mungos L. as per comparative images at Ophiorrhiza  

Ophiorrhiza fasciculata, O.mungos, O.ochroleuca  O. oppositiflora  O.pauciflora & O.repens are recoded in Mizoram.

(1) - 3 mb.

Attachments (1) - 4 mb.

Keys lead me to Ophiorrhiza mungos L. (leaves not whitish beneath) & Ophiorrhiza rugosa var. argentea (leaves whitish beneath- GBIF).
Can you check underside of the leaves ?
I think looks different from Ophiorrhiza rugosa var. argentea as per GBIFMore likely to be Ophiorrhiza mungos L. as per images and details herein.

Sorry !! cannot check underside of leaves sir