''Leptochilus'' is a fern genus in the family

Polypodiaceae Polypodiaceae is a family of ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family includes around 65 genera and an estimated 1,650 species and is placed in the order Polypodiales, suborder Polypodiineae. A broader ...

, subfamily

Microsoroideae Microsoroideae is a subfamily in the fern family Polypodiaceae in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The subfamily is also treated as the tribe Microsoreae within a very broadly defined family Polypodiaceae ''se ...

, according to the

Pteridophyte Phylogeny Group The Pteridophyte Phylogeny Group, or PPG, is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relation ...

classification of 2016 (PPG I).

Taxonomy

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

study of the subfamily Microsoroideae in 2019 suggested that the genus was

monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...

, being sister to '' Microsorum'', together forming one of the three main

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

s in the subfamily:

Species

The

classification of 2016 (PPG I) suggests that the genus contains about 10 species. , the ''Checklist of Ferns and Lycophytes of the World'' noted that the species circumscription was "fairly controversial and fluctuating", and accepted 34 species and hybrids: *'' Leptochilus axillaris'' (Cav.) Kaulf. *'' Leptochilus bolsteri'' (Copel.) Parris *'' Leptochilus cantoniensis'' (Baker) Ching *'' Leptochilus chilangensis'' (V.N.Tu) Liang Zhang & Li Bing Zhang *'' Leptochilus chingii'' Liang Zhang & Li Bing Zhang *'' Leptochilus chittagongensis'' Fraser-Jenk. & Gias *'' Leptochilus decurrens'' Blume *'' Leptochilus digitatus'' (Baker) Noot. *'' Leptochilus dissimilialatus'' (Bonap.) Liang Zhang & Li Bing Zhang *'' Leptochilus dolichopterus'' (Copel.) Fraser-Jenk. & Amoroso *'' Leptochilus ellipticus'' (Thunb.) Noot. *'' Leptochilus evrardii'' (Tardieu) Liang Zhang & Li Bing Zhang *'' Leptochilus flexilobus'' (Christ) Liang Zhang & Li Bing Zhang *'' Leptochilus fluviatilis'' (Lauterb.) Liang Zhang & Li Bing Zhang *'' Leptochilus hemionitideus'' (C.Presl) Noot. *'' Leptochilus henryi'' (Baker) X.C.Zhang *'' Leptochilus heterophyllus'' (S.K.Wu & P.K.Lôc) comb. ined. *'' Leptochilus insignis'' (Blume) Fraser-Jenk. *'' Leptochilus lanceolatus'' Fée *'' Leptochilus leveillei'' (Ching) X.C.Zhang *'' Leptochilus macrophyllus'' (Blume) Noot. *'' Leptochilus mengsongensis'' M.X.Zhao *'' Leptochilus minor'' Fée *'' Leptochilus morsei'' (Ching) Fraser-Jenk. * ''Leptochilus'' × ''nepalensis'' Fraser-Jenk. *'' Leptochilus oblongus'' Li Bing Zhang, Liang Zhang & N.T.Lu *'' Leptochilus pedunculatus'' (Hook. & Grev.) Fraser-Jenk. *'' Leptochilus pentaphyllus'' (Baker) Liang Zhang & Li Bing Zhang *'' Leptochilus poilanei'' (C.Chr. & Tardieu) Liang Zhang & Li Bing Zhang *'' Leptochilus pothifolius'' (Buch.-Ham. ex D.Don) Fraser-Jenk. *'' Leptochilus pteropus'' (Blume) Fraser-Jenk. *'' Leptochilus saxicola'' (H.G.Zhou & Hua Li) Liang Zhang & Li Bing Zhang * ''Leptochilus'' × ''shintenensis'' (Hayata) Nakaike *'' Leptochilus wrightii'' (Hook.) X.C.Zhang

References

Polypodiaceae Fern genera Taxonomy articles created by Polbot {{polypodiaceae-stub