This study aims to comprehensively examine the taxonomy of eight species of Costus. The selected taxa for this investigation encompass Costus arabicus, C. dubius, C. erythrophyllus, C. guanaiensis, C. elegans, C. pictus, C. stenophyllus and C. woodsonii. Detailed description of each taxon based on fresh materials have been prepared along with illustrations.
Costus, Description, Illustration, key, Taxonomy
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Manuscript Received on 20 December 2024
Manuscript Revised on 10 December 2025
Manuscript Accepted on 16 December 2025
Manuscript Published on 31 December 2025
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