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D. kuratae resources
Monograph
Hoshizaki and WilsonHoshizaki and Wilson
Photo
pair of frondspair of fronds

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Dryopteris kuratae Nakaike ex Hoshiz. & K.A. Wilson
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 -20C, USDA Zone 6.
Dryopteris kuratae
Dryopteris kuratae.  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.
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