Northeastern Asian Flora
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Arachniodes standishii (T.Moore) Ohwi  
Family: Dryopteridaceae
[Byrsopteris standishii (T.Moore) C.V.Morton, moreLastrea standishii T.Moore, Polystichopsis standishii (T.Moore) Tagawa, Rumohra standishii (T.Moore) Ching]
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  • Japan Flora
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Japan Flora: Rhizomes short­

creeping; stipes closely approximate, pale green to straw- colored, often brownish, 30-50 cm. long, densely scaly at base, sparsely so above, the lower scales pale brown, membranous, lanceolate, 1-1.5 cm. long, 1.5-2.5 (-3.5) mm. wide, gradually acuminate, filiform at tip, entire, the upper scdes 3-10 mm. long, linear-lanceolate, broadly cordate; fronds vivid green, the blades thinly herbaceous, oblong-ovate, 40-60 cm. long, 20-30 cm. wide, short-acuminate, 4-pinnatiparted to 4-pinnate, the rachis sparsely scaly; pinnae 12-15 pairs, approximate, ob­liquely spreading, short-petiolulate, the lowest with a broad posterior side; ultimate pinnules thinly herbaceous, oblong- ovate, 5-10 mm. long, 3-6 mm. wide, sometimes lobed or parted, acute to obtuse, acutely toothed, vivid green above, slightly paler and with hairlike short scales beneath, very sparsely so above; sori median in 2 series on the ultimate pinnules; in­dusia orbicular<xniform, often reddish when young, entire, 1-1.5 mm. across. Woods in mountains.

Hokkaido, Hon­shu, Shikoku, Kyushu; rather common. Korea.

Arachniodes standishii
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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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