Northeastern Asian Flora
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Polystichum hookerianum (C.Presl) C.Chr.  
Family: Dryopteridaceae
[Aspidium caducum Wall. ex Hook. & Grev., moreCyrtomium hookerianum (C.Presl) C.Chr., Cyrtomium tachiroanum (Luerss.) C.Chr., Lastrea hookeriana C.Presl, Polypodium tachiroanum Luerss., Polystichum integripinnum Hayata]
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  • Japan Flora
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Japan Flora: Stipes tufted, 20-40 cm. long, straw-colored, scaly throughout, the scales thinly mem­branous, linear- to ovate-lanceolate, pale brown, fugacious; blades oblong-lanceolate, abruptly short-acuminate, the termi­nal segment pinnately lobed to parted; rachis pale green, the scales sparse, lanceolate, 3-5 mm. long, lobulate-dentate, pale brown; pinnae 13-17 pairs, firmly coriaceous, dull, linear-lan­ceolate, §-13 cm. long, 12-20 mm. wide, subequilateral, acumi­nate, falcate or nearly straight, cuneate at base, very short- petiolulate, entire or crenate toward base, glabrous above, the scales beneath ovate, appressed, less than 1 mm. long, scales of the costas lanceolate to ovate, 1-2 mm. long, ciliate near base; sori 2-seriate or in a few irregular series; indusia small, subentire, flat.

Kyushu (s. distr.); rare. Formosa, China, and Indochina.

 

Polystichum hookerianum
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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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