Coptis teeta

Endangered as per IUCN Red List (EN)

Coptis teeta Wall., Trans. Med. Soc. Calcutta 8: 87 1836. (syn: Coptis teetoides C.Y. Cheng; Helleborus teeta Baill.);

China (NW-Yunnan), SE-Tibet, Myanmar [Burma] (Kachin, Yangon), India (Arunachal Pradesh), Vietnam as per Catalogue of Life;

https://08511630493324166816.googlegroups.com/attach/30fc98483fa24/_DSC0747.JPG?part=0.1&view=1&vt=ANaJVrEejxtWuS45ZF3yvnPBmDRYzozDwd79-Cf7LV6e8j5MOrnWKzg5tek-QDneySNXMacZQC-WPf9_Yj63cH77JDIlH9Rm2elHmVh6o34zIQqb_49xOaI
 
https://08511630493324166816.googlegroups.com/attach/30fc98483fa24/_DSC0748.JPG?part=0.4&view=1&vt=ANaJVrGRBUxqjJvZytEqYoHkAqKR5bODPGUm6ObuffqQpBO8fhGOkQIc3sE8G5RkECBmHpUjqPMSEx8QGNwzdQJssTseQNPbgzctfGO1s_jA-IUrjJree-M
SK1180 07 JUNE 2018 : 8 posts by 3 authors. Attachments (4)
Location : Sukhiapokahari, Darjeeling, India
Date : 12 May 2018
Elevation :  6900 ft.
Habit : Wild
Leaf only!
I think it is the rare plant Coptis teeta 
Has it (Coptis teeta) escaped cultivation as it is not reported from other than Arunachal Pradesh, but I think cultivated for medicinal use. or is it some other species ?
Leaves look similar to that but it is difficult to conclude without flowers!
I guess it is wild !
Most likely the species is same as COPTIS TEETA and escaped from its plantation in some medicinal plants repository.
I guess POWO and GBIF showing distribution in Darjeeling !

References:

Catalogue of Life  The Plant List Ver.1.1  IPNI  BSI envis (pdf)  Flora of China  India Biodiversity Portal  Wikipedia  FRLHT  IUCN Red List (EN)  PFAF  Burmese Medicinal Plants  Coptis teeta Wall. - an Important and Valuable Medicinal Plant of Arunachal Pradesh and its Cultivation S. S. Bhattee , B. S. Beniwal (Abstract- Coptis teeta Wall.- a small perennial herb popularly known as Coptis or Mishmi tita is an important medicinal plant used for various diseases. The specific name Tita has been derived from its bitter taste. It is found in India only and occurs in temperate regions of five districts of Arunachal Pradesh. Over last few years, its cultivation has been taken up by local people in Arunachal Pradesh and on a limited scale in Nagaland. The Forest Department, Arunachal Pradesh has also taken up its cultivation. It can be cultivated by seedlings raised from seed or from wildings. The crop mature in 6-10 years depending upon source of planting materials. Harvesting is done during winter season. On an average 124 kg dry rhizome per hectare is harvested with a spacement of 30 × 30 cm. The net income from one hectare is obtained around Rs. 16,800/- (Yearly income Rs. 1680/-).)
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