Amauropelta Subtilis
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''Amauropelta'' is a
monophyletic In biological cladistics for the classification of organisms, monophyly is the condition of a taxonomic grouping being a clade – that is, a grouping of organisms which meets these criteria: # the grouping contains its own most recent co ...
genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
fern The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissue ...
, the largest in the
Thelypteridaceae Thelypteridaceae is a family of about 900 species of ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it is placed in the suborder Aspleniineae. Alternatively, the family may be submerged in a ...
family, with 233 species.Fawcett, S. & A.R. Smith. 2021. A generic classification of the Thelypteridaceae. Sida, Bot. Misc. 59. BRIT Press, Fort Worth Botanic Garden , Botanical Research Institute of Texas, U.S.A. The center of diversity of the genus is in the
Neotropics The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeog ...
, but the earliest-diverging lineages are from the
Old World The "Old World" () is a term for Afro-Eurasia coined by Europeans after 1493, when they became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia in the Eastern Hemisphere, previously ...
. The genus ''Amauropelta'' is very similar morphologically to the other two genera of the amaropeltoid clade, ''Coryphopteris'' and ''Metathelypteris'', differing from the first in the lack of sessile, resinous, reddish glands on the lamina between veins (except in the ''A. resinifera'' group) and from the second by the veins running to the margins. Within the Thelypteridaceae in the Neotropics it is easily recognised by the pairs of gradually reduced proximal pinnae, which vary from few to many, depending on the species, and the veins usually prominent abaxially and adaxially, with the lowermost pair from adjacent segments running to the margin just above the sinus between adjacent lobes, rarely (in ''A. linkiana'') running to the sinus, and never united to form excurrent veins that run to sinuses; the veins end at the pinna margins. Outside of the amauropeltoid clade and in the Old World region, ''Amauropelta'' spp. are similar to the more distantly related ''Pseudocyclosorus'', which also has free veins and many pairs of gradually reduced proximal pinnae. ''Amauropelta'' is subdivided into four subgenera: ''Amauropelta'', ''Parathelypteris'', ''Nibaa'' and ''Venus''.


Subgenera

Subgenus ''Amauropelta'' S.E. Fawc. & A.R. Sm ''Amauropelta'' subgenus ''Amauropelta'' is the largest with 223 species (listed below) and can be distinguished from others by monoploid chromosome number ''x'' = 29 and rhizomes typically erect. * ''A. achalensis'' (Hieron.) Salino & T.E. Almeida * ''A. aculeata'' (A.R. Sm.) Salino & T.E.Almeida * ''A. aliena'' (C. Chr.) Salino & T.E. Almeida * ''A. altitudinis'' (Ponce) Salino & T.E. Almeida * ''A. amambayensis'' (Christ) Salino & A.R. Sm. * ''A. amphioxypteris'' (Sodiro) Salino & T.E. Almeida * ''A. andicola'' (A.R. Sm.) Salino & T.E. Almeida * ''A. appressa'' (A.R. Sm.) Salino & T.E. Almeida * ''A. araucariensis'' (Ponce) Salino & T.E. Almeida * ''A. arborea'' (Brause) A.R. Sm. * ''A. arenosa'' (A.R. Sm.) A.R. Sm. * ''A. argentina'' (Hieron.) Salino & T.E. Almeida * ''A. arrecta'' (A.R. Sm.) Salino & T.E. Almeida * ''A. aspidioides'' (Willd.) Pic.Serm. * ''A. atrorubens'' (Mett. ex Kuhn) Salino & T.E. Almeida * ''A. atrovirens'' (C. Chr.) Salino & T.E. Almeida * ''A. aymarae'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. balbisii'' (Spreng.) A.R. Sm. * ''A. barvae'' (A.R. Sm.) Salino & T.E. Almeida * ''A. basisceletica'' (C. Sánchez, Caluff & O. Alvarez) Salino & T.E. Almeida * ''A. bergiana'' (Schltdl.) Holttum A. binervata (A.R. Sm.) A.R. Sm. * ''A. boliviana'' A.R. Sm. * ''A. bonapartii'' (Rosenst.) Salino & T.E. Almeida * ''A. brachypoda'' (Baker) A.R. Sm. * ''A. brachypus'' (Sodiro) A.R. Sm. * ''A. brausei'' (Hieron.) A.R. Sm. * ''A. burkartii'' (Abbiatti) Salino & T.E. Almeida * ''A. campii'' (A.R. Sm.) Salino & T.E. Almeida * ''A. canadasii'' (Sodiro) Salino & T.E. Almeida * ''A. caucaensis'' (Hieron.) A.R. Sm. * ''A. chaparensis'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. cheilanthoides'' (Kunze) Á. Löve & D. Löve * ''A. chiriquiana'' (A.R. Sm.) Salino & T.E. Almeida * ''A. christensenii'' (C. Chr. in Christ) Salino & T.E. Almeida * ''A. cinerea'' (Sodiro) A.R. Sm. * ''A. cochaensis'' (C. Chr.) Salino & T.E. Almeida * ''A. cocos'' (A.R. Sm. & Lellinger) Salino & T.E. Almeida * ''A. comptula'' (A.R. Sm.) Salino & T.E. Almeida * ''A. concinna'' (Willd.) Pic.Serm. * ''A. conformis'' (Sodiro) Salino & T.E. Almeida * ''A. consanguinea'' (Fée) Salino & T.E. Almeida * ''A. cooleyi'' (Proctor) Salino & T.E. Almeida * ''A. corazonensis'' (Baker) Salino & T.E. Almeida * ''A. cornuta'' (Maxon) Salino & T.E. Almeida * ''A. correllii'' (A.R. Sm.) Salino & T.E. Almeida * ''A. crassiuscula'' (C. Chr. & Maxon) Salino & T.E. Almeida * ''A. ctenitoides'' (A.R. Sm.) Salino & T.E. Almeida * ''A. decrescens'' (Proctor) Salino & T.E. Almeida * ''A. decurtata'' (Link) Salino & T.E. Almeida A. deflectens (C. Chr.) Salino & T.E. Almeida * ''A. deflexa'' (C. Presl) Á. Löve & D. Löve * ''A. demissa'' (A.R. Sm.) Salino & T.E. Almeida * ''A. delasotae'' (A.R. Sm. & Lellinger) Salino & T.E. Almeida * ''A. demerarana'' (Baker) Boudrie & Cremers * ''A. denudata'' (C. Sánchez & Caluff) Salino & T.E. Almeida * ''A. diplazioides'' (Desv.) Pic.Serm. A. dodsonii (A.R. Sm.) Salino & T.E. Almeida * ''A. dudleyi'' (A.R. Sm.) Salino & T.E. Almeida * ''A. elegantula'' (Sodiro) Salino & T.E. Almeida * ''A. enigmatica'' (A.R. Sm.) Salino & T.E. Almeida * ''A. eriosorus'' (Fée) Salino & T.E. Almeida * ''A. euchlora'' (Sodiro) A.R. Sm. * ''A. euthythrix'' (A.R. Sm.) Salino & T.E. Almeida * ''A. exuta'' (A.R. Sm.) Salino & T.E. Almeida * ''A. fasciola'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. fayorum'' (A.R. Sm.& M. Kessler) Salino & T.E. Almeida * ''A. firma'' (Baker ex Jenman) Salino & T.E. Almeida * ''A. fluminalis'' (A.R. Sm.) Salino & T.E. Almeida * ''A. frigida'' (Christ) A.R. Sm. A. funckii (Mett.) A.R. Sm. * ''A. furfuracea'' (A.R. Sm.) Salino & T.E. Almeida * ''A. furva'' (Maxon) Salino & T.E. Almeida * ''A. germaniana'' (Fée) Salino & T.E. Almeida * ''A. glabrescens'' A.R. Sm. * ''A. glandulosolanosa'' (C. Chr.) Salino & T.E. Almeida * ''A. globulifera'' (Brack.) Holttum * ''A. glutinosa'' (C. Chr.) Salino & T.E. Almeida * ''A. gomeziana'' (A.R. Sm. & Lellinger) Salino & T.E. Almeida * ''A. gracilenta'' (Jenman) Salino & T.E. Almeida * ''A. gracilis'' (Heward) A.R. Sm. * ''A. grantii'' (Copel.) Holttum * ''A. grayumii'' (A.R. Sm.) Salino & T.E. Almeida * ''A. hakgalensis'' Holttum * ''A. harrisii'' (Proctor) Salino & T.E. Almeida * ''A. hastiloba'' (C. Chr.) Salino & T.E. Almeida * ''A. heineri'' (C. Chr.) Salino & T.E. Almeida * ''A. heteroclita'' (Desv.) Pic.Serm. * ''A. heteroptera'' (Desv.) Holttum * ''A. hutchisonii'' (A.R. Sm.) Salino & T.E. Almeida * ''A. hydrophila'' (Fée) Salino & T.E. Almeida * ''A. illicita'' (Christ) Salino & T.E. Almeida * ''A. inabonensis'' (Proctor) Salino & T.E. Almeida * ''A. inaequans'' (C. Chr.) Salino & T.E. Almeida * ''A. inaequilateralis'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. insignis'' (Mett.) Salino & T.E. Almeida * ''A. intromissa'' (C. Chr.) Salino & T.E. Almeida * ''A. ireneae'' (Brade) Salino & T.E. Almeida * ''A. jimenezii'' (Maxon & C. Chr.) Salino & T.E. Almeida * ''A. juergensii'' (Rosenst.) Salino & T.E. Almeida * ''A. jujuyensis'' (de la Sota) Salino & T.E. Almeida * ''A. knysnaensis'' (N.C. Anthony & Schelpe) Parris * ''A. laevigata'' (Mett. ex Kuhn) Salino & T.E. Almeida * ''A. lanceolata'' A.R. Sm. * ''A. leoniae'' (A.R. Sm.) Salino & T.E. Almeida * ''A. lepidula'' (Hieron.) A.R. Sm. * ''A. limbata'' (Sw.) Pic.Serm. * ''A. linkiana'' (C. Presl) Pic.Serm. * ''A. longicaulis'' (Baker) Salino & T.E. Almeida * ''A. longipilosa'' (Sodiro) Salino & T.E. Almeida * ''A. longisora'' (A.R. Sm.) Salino & T.E. Almeida * ''A. loreae'' (A.R. Sm.) Salino & T.E. Almeida * ''A. loretensis'' (A.R. Sm.) Salino & T.E. Almeida * ''A. lumbricoides'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. macra'' (A.R. Sm.) Salino & T.E. Almeida * ''A. madidiensis'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. malangae'' (C. Chr.) Salino & T.E. Almeida * ''A. margaretae'' (E. Br.) Holttum * ''A. melanochlaena'' (C. Chr.) Salino & T.E. Almeida * ''A. membranifera'' (C. Chr.) Holttum * ''A. mertensioides'' (C. Chr.) Salino & T.E. Almeida * ''A. metteniana'' (Ching) Salino & T.E. Almeida * ''A. micula'' (A.R. Sm.) Salino & T.E. Almeida * ''A. minima'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. minutula'' (C.V. Morton) Salino & T.E. Almeida * ''A. mombachensis'' (L.D. Gómez) Salino & T.E. Almeida * ''A. mortonii'' (A.R. Sm.) Salino & T.E. Almeida * ''A. mosenii'' (C. Chr.) Salino & T.E. Almeida * ''A. muscicola'' (Proctor) Salino & T.E. Almeida * ''A. namaphila'' (Proctor) Salino & T.E. Almeida * ''A. neglecta'' (Brade & Rosenst.) Salino & T.E. Almeida * ''A. negligens'' (Jenman) Salino & T.E. Almeida * ''A. nephelium'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. nitens'' (Desv.) Salino & T.E. Almeida * ''A. nockiana'' (Jenman) Salino & T.E. Almeida * ''A. novaeana'' (Brade) Salino & T.E. Almeida * ''A. nubicola'' (de la Sota) Salino & T.E. Almeida * ''A. nubigena'' (A.R. Sm.) Salino & T.E. Almeida * ''A. oaxacana'' (A.R. Sm.) Salino & T.E. Almeida * ''A. odontosora'' (Bonap.) Holttum * ''A. oligocarpa'' (Humb. & Bonpl. ex Willd.) Pic.Serm. * ''A. ophiorhizoma'' (A.R. Sm. & Lellinger) Salino & T.E. Almeida * ''A. opposita'' (Vahl) Pic.Serm. * ''A. oppositiformis'' (C. Chr.) Holttum * ''A. pachyrhachis'' (Kunze ex Mett.) Salino & T.E. Almeida * ''A. paleacea'' (A.R. Sm.) Salino & T.E. Almeida * ''A. patula'' (Fée) Salino & T.E. Almeida * ''A. pavoniana'' (Klotzsch) Salino & T.E. Almeida * ''A. pelludia'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. peradenia'' (A.R. Sm.) A.R. Sm. * ''A. peruviana'' (Rosenst.) Salino & T.E. Almeida * ''A. phacelothrix'' (C. Chr. & Rosenst.) Salino & T.E. Almeida * ''A. physematioides'' (Kuhn & Christ ex Krug) Salino & T.E. Almeida * ''A. piedrensis'' (C. Chr.) Salino & T.E. Almeida * ''A. pilosissima'' (C.V. Morton) A.R. Sm. * ''A. pilosohispida'' (Hook.) A.R. Sm. * ''A. pilosula'' (Klotzsch & H. Karst. ex Mett.) Á. Löve & D. Löve * ''A. pleiophylla'' (Sehnem) Salino & T.E. Almeida * ''A. podotricha'' (Sehnem) Salino & T.E. Almeida * ''A. proboscidea'' (A.R. Sm.) Salino & T.E. Almeida * ''A. proctorii'' (A.R. Sm. & Lellinger) A.R. Sm. * ''A. prolatipedis'' (Lellinger) A.R. Sm. * ''A. ptarmica'' (Kunze ex Mett.) Pic.Serm. * ''A. ptarmiciformis'' (C. Chr. & Rosenst. ex Rosenst.) Salino & T.E. Almeida * ''A. pteroidea'' (Klotzsch) A.R. Sm. * ''A. pusilla'' (Mett.) A.R. Sm. * ''A. raddii'' (Rosenst.) Salino & T.E. Almeida * ''A. randallii'' (Maxon & C.V. Morton ex C.V. Morton) Salino & T.E. Almeida * ''A. recumbens'' (Rosenst.) Salino & T.E. Almeida * ''A. reducta'' (C. Chr.) Salino & T.E. Almeida * ''A. regnelliana'' (C. Chr.) Salino & T.E. Almeida * ''A. resinifera'' (Desv.) Pic.Serm. * ''A. retrorsa'' (Sodiro) Salino & T.E. Almeida * ''A. retusa'' (Sw.) Salino & T.E. Almeida * ''A. rheophyta'' (Proctor) Salino & T.E. Almeida * ''A. rigescens'' (Sodiro) Salino & T.E. Almeida * ''A. rivularioides'' (Fée) Salino & T.E. Almeida * ''A. roraimensis'' (Baker) A.R. Sm. * ''A. rosenstockii'' (C. Chr.) Salino & T.E. Almeida * ''A. rosulata'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. rudiformis'' (C. Chr.) Salino & T.E. Almeida * ''A. rudis'' (Kunze) Pic.Serm. * ''A. rufa'' (Poir.)Salino & T.E. Almeida * ''A. ruiziana'' (Klotzsch) Salino & T.E. Almeida * ''A. rupestris'' (Klotzsch) A.R. Sm. * ''A. rupicola'' (C. Chr.) Salino & T.E. Almeida * ''A. rustica'' (Fée) Salino & T.E. Almeida * ''A. sabaensis'' A. salazica (Holttum) Holttum * ''A. sancta'' (L.) Pic.Serm. * ''A. sanctae-catharinae'' (Rosenst.) Salino & T.E. Almeida * ''A. saxicola'' (Sw.) Salino & T.E. Almeida * ''A. scalaris'' (Christ) Á. Löve & D. Löve * ''A. scalpturoides'' (Fée) Salino & T.E. Almeida * ''A. sellensis'' (C. Chr.) Salino & T.E. Almeida * ''A. semilunata'' (Sodiro) Salino & T.E. Almeida * ''A. shaferi'' (Maxon & C. Chr.) Salino & T.E. Almeida * ''A. soridepressa'' (Salino & V.A.O. Dittrich) Salino & T.E. Almeida * ''A. steyermarkii'' (A.R. Sm.) Salino & T.E. Almeida * ''A. stierii'' (Rosenst.) Salino & T.E. Almeida * ''A. straminea'' (Sodiro) Salino & T.E. Almeida * ''A. strigillosa'' (A.R. Sm. & Lellinger) Salino & T.E. Almeida * ''A. strigosa'' (Willd.) Holttum * ''A. struthiopteroides'' (C. Chr.) Salino & T.E. Almeida * ''A. subacrostichoides'' A.R. Sm. * ''A. subscandens'' (A.R. Sm.) Salino & T.E. Almeida * ''A. subtilis'' (A.R. Sm.) Salino & T.E. Almeida * ''A. supina'' (Sodiro) Salino & T.E. Almeida * ''A. supranitens'' (Christ) Á. Löve & D. Löve * ''A. tablana'' (Christ) Salino & T.E. Almeida * ''A. tamandarei'' (Rosenst.) Salino & T.E. Almeida * ''A. tapantensis'' (A.R. Sm. & Lellinger) Salino & T.E. Almeida * ''A. tenerrima'' (Fée) Salino & T.E. Almeida * ''A. thomsonii'' (Jenm.) Pic.Serm. * ''A. tomentosa'' (Thouars) Holttum * ''A. trelawniensis'' (Proctor) Salino & T.E. Almeida * ''A. uncinata'' (A.R. Sm.) Salino & T.E. Almeida * ''A. vattuonei'' (Hicken) Salino & T.E. Almeida * ''A. venturae'' (A.R. Sm.) Salino & T.E. Almeida * ''A. vernicosa'' (A.R. Sm. & Lellinger) Salino & T.E. Almeida * ''A. villana'' (L.D. Gómez) Salino & T.E. Almeida * ''A. yungensis'' (A.R. Sm. & M. Kessler) Salino & T.E. Almeida * ''A. zurquiana'' (A.R. Sm. & Lellinger) Salino & T.E. Almeida Subgenus ''Nibaa'' S.E. Fawc. & A.R. Sm ''Amauropelta'' subgenus ''Nibaa'' is composed of two species (listed below) and can be distinguished from others by glands yellow to colorless (vs. amber resinous orange-yellow to reddish), ''x'' = 31. * ''A. nevadensis'' (Baker) S.E. Fawc. & A.R. Sm. * ''A. noveboracensis'' (L.) S.E. Fawc. & A.R. Sm. Subgenus ''Parathelypteris'' S.E. Fawc. & A.R. Sm ''Amauropelta'' subgenus ''Parathelypteris'' is composed of six species (listed below) and can be distinguished from others by proximal pinnae typically abruptly or little reduced and by the biogeographical distribution (East Asia), ''x'' = 27 or 31. * ''A. angustifrons'' (Miq.) Y.H. Chang * ''A. cystopteroides'' (D.C. Eaton) S.E. Fawc. & A.R. Sm. * ''A. glanduligera'' (Kunze) Y.H. Chang * ''A. grammitoides'' (Christ) S.E. Fawc. & A.R. Sm. * ''A. miyagii'' (H. Ito) S.E. Fawc. & A.R. Sm. * ''A. serrulata'' (Ching) S.E. Fawc. & A.R. Sm. Subgenus ''Venus'' S.E. Fawc. & A.R. Sm ''Amauropelta'' subgenus ''Venus'' is composed of two species (listed below), ''x'' = 31. * ''A. beddomei'' (Baker) Y.H. Chang * ''A. rechingeri'' (Holttum) S.E. Fawc. & A.R. Sm


References

{{Taxonbar, from1=Q2841383 Thelypteridaceae Fern genera