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Article History

Received: 15 December 2025

Accepted: 20 May 2026

First Online: 25 May 2026

Declarations

:

: The collection of plant material ( Coptis teeta ) was carried out in accordance with relevant national and local guidelines and followed the provisions of the Biological Diversity Act, 2002. Necessary permission was obtained from the Arunachal Pradesh Biodiversity Board (APBB) (Ref. No. SFRI/APBB/9/2011; dated 28 January 2021). The plant material was collected from wild populations with minimal disturbance considering its endangered status. Voucher specimens were prepared following standard herbarium techniques (Jain & Rao, 1977) and deposited in the North East Herbarium of Ayurvedic Research (NEHAR) under accession number NEHAR-8305.

: Not applicable.

: Not applicable.

: The collected wild plant specimens, was identified by Dr. Bikash Kalita, first author of the manuscript.

: The voucher specimen has been deposited in North East Herbarium of Ayurvedic Research (NEHAR) and its deposition number/ accession number is (NEHAR-8305) under Central Council for Research in Ayurvedic Sciences (CCRAS).

: Herbarium specimens were prepared following standard herbarium techniques (Jain & Rao, 1977). Voucher specimens of the collected plant material were preserved and deposited in the North East Herbarium of Ayurvedic Research (NEHAR), with accession number NEHAR-8305. In addition, duplicate specimens were maintained in the Department of Botany, Assam Don Bosco University, Tapesia, Assam, for future reference.

: Prior to field visit, permission for collection of plant materials and access to biological resources was obtained from the Arunachal Pradesh Biodiversity Board (APBB), Department of Environment and Forests, Government of Arunachal Pradesh, under the provisions of the Biological Diversity Act, 2002 (Ref. No. SFRI/APBB/9/2011; dated 28 January 2021). The study was conducted in accordance with the terms and conditions specified by the concerned authorities.

: We have included detailed information on the source of plant material, including geographic location and coordinates of the collection sites in the materials and methods section.

: The collection of plant material ( Coptis teeta ) was carried out in accordance with relevant national and local guidelines. The study followed the provisions of the Biological Diversity Act, 2002, and the conditions specified in the permission granted by the Arunachal Pradesh Biodiversity Board (APBB) (Ref. No. SFRI/APBB/9/2011; dated 28 January 2021).

: The plant material was collected from wild populations with prior permission. Care was taken to minimize disturbance to natural populations considering its endangered status.

: The authors declare no competing interests.