Northeastern Asian Flora
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Thelypteris esquirolii (Christ) Ching   (redirected from: Pseudocyclosorus tsoi Ching)
Family: Aspleniaceae
[Aspidium prolixum Dunn & Tutcher, moreChristella cavaleriei H.Lev., Christella esquirolii H.L?., Cyclosorus esquirolii (Christ) C.M.Kuo, Dryopteris duclouxii Christ, Dryopteris eberharatii var. glabrata Christ, Dryopteris eberhardtii Christ, Dryopteris esquirolii Christ, Dryopteris ochthodes , Glaphyropteris falciloba H.Ito, Lastrea esquirolii (Christ) Copel., Lastrea subochthodes (Ching) Tagawa, Pseudocyclosorus angustipinnus Ching ex Y.X.Lin, Pseudocyclosorus cavaleriei (H.Lev.) Y.X.Lin, Pseudocyclosorus damingshanensis Ching ex Y.X.Lin, Pseudocyclosorus drymophilus Ching, Pseudocyclosorus duclouxii (Christ) Ching, Pseudocyclosorus emeiensis Ching ex Y.X.Lin, Pseudocyclosorus esquirolii (Christ) Ching, Pseudocyclosorus furcato-venulosus Y.X.Lin, Pseudocyclosorus jijiangensis Ching ex Y.X.Lin, Pseudocyclosorus latilobus (Ching) Ching, Pseudocyclosorus linearis Ching & K.H.Shing, Pseudocyclosorus obliquus Ching ex Y.X.Lin, Pseudocyclosorus paraochthodes Ching ex K.H.Shing ex J.F.Cheng, Pseudocyclosorus qingchengensis Y.X.Lin, Pseudocyclosorus stramineus Ching ex Y.X.Lin, Pseudocyclosorus submarginalis Ching ex Y.X.Lin, Pseudocyclosorus subochthodes (Ching) Ching, Pseudocyclosorus tsoi Ching, Thelypteris doclouxii Ching, Thelypteris esquirolii var. glabrata (Christ) K.Iwats., Thelypteris latiloba Ching, Thelypteris subochthodes Ching]
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  • Japan Flora
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Japan Flora: Rhi­zomes creeping, glabrous, thinly scaly while young; fronds deciduous; stipes straw-colored, 20-30 cm. long, usually short- pilose, thinly scaly toward the base or nearly naked; scales ovate, 3-4 mm. long, entire, puberulous; blades oblong-lanceo­late, 30-80 cm. long, 10-30 cm. wide, abruptly acuminate, abruptly contracted at base, the rachis usually short-pilose; pinnae rather numerous, broadly linear, 1-2 cm. wide, acumi­nate, acute to obtuse at the tip, sessile, regularly pinnatiparted, sparsely short-pilose on both sides and margin, densely so on costas of both sides; pneumatophores subglobose, at the base of pinnae beneath; pinnules narrowly oblong, 2-3 mm. wide, acute, subfalcate, crenate to subentire, the veins pinnate, the veinlets simple; sori submarginal, in 2 rows on the pinnules; indusia orbicular-reniform, entire, slightly incurved on margin, about 0.5 mm./across. July-Nov.

Honshu (s. Kanto Distr. and westw.), Shikoku, Kyushu. s. Korea, Ryukyus, Formosa, China.

Thelypteris esquirolii
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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