Cyatheales

Cyatheales represents an ancient order of tree ferns within the fern lineage, characterized by large arborescent species predominantly distributed in tropical and subtropical forest ecosystems. These plants are evolutionarily significant as they preserve primitive vascular plant traits while also producing a variety of secondary metabolites such as flavonoids, phenolic acids, and unique fern-specific compounds. In biomedical research, Cyatheales species are increasingly recognized for their potential anti-inflammatory, antioxidant, and cytotoxic activities, making them valuable candidates in natural product drug discovery. Their long evolutionary history suggests the presence of conserved yet unique biosynthetic pathways that may yield novel bioactive scaffolds not commonly found in angiosperms. Furthermore, studying Cyatheales contributes to chemotaxonomic mapping of fern-derived metabolites, enabling researchers to link phylogenetic position with pharmacological potential. This makes the order a promising but underexplored reservoir for lead compound identification in oncology, neuroprotection, and infectious disease research.