Northeastern Asian Flora
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Thelypteris hattorii (H.Itô) Tagawa   (redirected from: Dryopteris hattorii H.It)
Family: Aspleniaceae
[Dryopteris hattorii H.It, moreDryopteris laxa var. dilatata Koidz., Lastrea hattorii (H.It? Tagawa, Lastrea laxa var. dilatata Honda, Lonicera sachalinensis (F.Schmidt) Nakai, Metathelypteris hattorii (H.It? Ching, Metathelypteris hattorii var. nemoralis (Ching) Nakaike, Metathelypteris langsunensis Ching, Thelypteris dilatata H.Ito ex Honda, Thelypteris hattorii var. nemoralis (Ching) Sa.Kurata, Thelypteris nemoralis Ching]
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  • Japan Flora
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Japan Flora: Chiefly in the deltoid tripinnate blades, the pinnae broadly lanceolate, 4-5 cm. wide, the lowest ones petiolate, the lower pinnules sessile, contracted at base; stipes pale brown, smooth, lustrous, very short-pilose; blades deltoid to deltoid-ovate, 20-35 cm. long, 15-28 cm. wide, long-acuminate; pinnae about 10 pairs, nearly horizontally spreading, lanceolate to oblong, caudate-acuminate; pinnules lanceolate, acute or obtuse, pin- nately parted to obtusely toothed, decurrent in the upper ones, shortpilos beneath; sori in 2 series, between the costule and margin of the pinnules; indusia orbicular-reniform, pilose.

Honshu (Mikawa and Harima Prov.), Shikoku, Kyushu; rare. China.

Thelypteris hattorii
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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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