Etymology After Japanese pteridologist Sa. Kurata.

Description 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.

Culture Distribution: eastern Asia. Hardy to -20°C, USDA Zone 6.