Ethnobotanical documentation and pharmacological potential of medicinal plants in relizane, Algeria

Authors

  • Sarra Arabi Laboratory of Environment and Sustainable Development, Faculty of Nature and Life Sciences, University of Ahmed Zabana, Bourmadia, 48000, Relizane, Algeria
  • Keltoum Dermeche Department of Living and Environment, Faculty of Nature and Life Sciences, University of Sciences and Technology of Oran-Mohamed Boudiaf, Oran 31000, Algeria.
  • Rachida Rahmani Laboratory of Technology and Solid Properties, Faculty of Sciences and Technology, University of Abdelhamid Ibn Badis, Mostaganem 27000, Algeria
  • Yasmine Makhlouf Laboratory of Phytotherapy Applied to Chronic Diseases, Faculty of Nature and Life Sciences, University Ferhat Abbas Setif 1, Setif 19000, Algeria.
  • Sara Gheraibia Laboratory of Applied Biochemistry, Faculty of Sciences of Nature and Life, Ferhat Abbes University, Setif 1, Algeria.
  • Abdelkader Chouaih Laboratory of Technology and Solid Properties, Faculty of Sciences and Technology, University of Abdelhamid Ibn Badis, Mostaganem 27000, Algeria

DOI:

https://doi.org/10.3329/bjb.v55i1.88601

Keywords:

Ethnobotany, Medicinal plants, Relizane, Informant Consensus Factor

Abstract

This study aims to document traditional knowledge related to medicinal plants used by local communities in the Relizane Province of Northwestern Algeria, with the dual objective of preserving cultural heritage and supporting the sustainable use and pharmacological potential of these resources. Ethnobotanical surveys were conducted in seven regions of Relizane, engaging 210 local informants. A total of 70 medicinal plant species, belonging to 32 families, were identified. The most frequently cited families were Lamiaceae, Apiaceae, and Asteraceae, with Thymus vulgaris, Matricaria chamomilla, and Mentha spicata emerging as the most commonly used species. Data were analyzed using ethnobotanical indices such as Use Value (UV) and Informant Consensus Factor (ICF). Thymus vulgaris had the highest UV (0.080), while the highest ICF values were observed for respiratory (0.80) and digestive disorders (0.72), indicating a high level of agreement among informants. In contrast, reproductive health exhibited the lowest ICF (0.25).

Bangladesh J. Bot. 55(1): 77-84, 2026 (March)

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Published

2026-03-30

How to Cite

Arabi, S., Dermeche, K., Rahmani, R., Makhlouf, Y., Gheraibia, S., & Chouaih, A. (2026). Ethnobotanical documentation and pharmacological potential of medicinal plants in relizane, Algeria. Bangladesh Journal of Botany, 55(1), 77–84. https://doi.org/10.3329/bjb.v55i1.88601

Issue

Vol. 55 No. 1 (2026)

Section

Articles

License

© Bangladesh Botanical Society

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