Molecular phylogenetic analysis reveals L. dolichophyllus as a distinct species, highlighting its unique hemiepiphytic habit and longer frond.
A new species, Leptochilus dolichophyllus (Polypodiaceae), from central‐northern Fujian, southeastern China, is described and illustrated. It is morphologically similar to Leptochilus leveillei , but differs by its hemiepiphytic habit and longer frond. Molecular phylogenetic analysis based on three plastid regions ( rbcL , rps4 + rps4 ‐ trnS , and trnL + trnL‐trnF ) demonstrates that the new species represents a distinct and well‐supported clade. Both morphological and molecular data provide compelling evidence for the recognition of L. dolichophyllus as a new species. Furthermore, the complete plastid genome of this new species is reported.
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Fu et al. (2025) studied this question.
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