Chowdhury, Roshni https://orcid.org/0009-0005-1627-3796
Chowdhury, Monoranjan https://orcid.org/0000-0002-7978-1713
Article History
Received: 22 January 2026
Accepted: 11 July 2026
First Online: 17 July 2026
Declarations
Ethics approval and consent to participate: Field surveys and collection of plant specimens were conducted in accordance with institutional, national, and international guidelines for plant research, including the International Union for Conservation of Nature (IUCN) Policy Statement. Prior permission for field collection was obtained from the Forest Departments of Jalpaiguri and Darjeeling districts, West Bengal, India (Permission Letter No.: 1840/WL/4R-15/2016 Ref: Office of the Principal Chief Conservator of Forest (Wildlife) & Chief Wildlife Warden, West Bengal, Department of Forest, dated 07 July 2023). The voucher specimens for D. acutifolia (Accession No.: NBU00013289), D. ruscifolia (Accession Nos.: NBU00012901, NBU00012902), D. ovata (Accession Nos.: NBU00012817, NBU00012818) have been deposited in the NBU Herbarium (NBU), Department of Botany, University of North Bengal, India.
Consent for Publication: Not applicable.
Competing interests: The authors declare no competing interests.