After Japanese pteridologist Sa. Kurata.
Rhizome: erect, branching.
Frond: 50 cm high by 15 cm wide, tardily deciduous, monomorphic, blade/stipe ratio: 3:1.
Stipe: grooved, scales brown or brown-black, narrow triangular to lanceolate, vascular bundles: 3-7 in a c-shaped pattern.
Blade: 1-pinnate, oblanceolate, narrowed at base, herbaceous to somewhat leathery, scales below.
Pinnae: 20 to 25 pair, linear, lobed, 1/3rd the way to the costa; costae grooved above, continuous from rachis to costae; veins free, forked.
Sori: round, medial, indusium: reniform, at a sinus, sporangia: brownish.
Distribution: eastern Asia.
Hardy to -20°C, USDA Zone 6.
Illustration from The Cultivated Species of the Fern Genus Dryopteris in the United States, Barbara Joe Hoshizaki and Kenneth A. Wilson, American Fern Journal, 89, 1, (1999), with permission.