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D. hondoensis resources
Flora
Flora of JapanFlora of Japan
Monograph
Hoshizaki and WilsonHoshizaki and Wilson
Photo
habithabit
indusia, stipe scales, rachis scalesindusia, stipe scales, rachis scales

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Dryopteridaceae
�� Dryopteris
���� aemula affinis
���� amurensis arguta
���� bissetiana campyloptera
���� carthusiana caucasica
���� celsa championii
���� clintoniana crassirhizoma
���� cristata cycadina
���� cystolepidota decipiens
���� dilatata erythrosora
���� expansa filix-mas
���� formosana fragrans
���� fuscipes goldiana
���� hondoensis intermedia
���� kuratae lacera
���� lepidopoda ludoviciana
���� marginalis mindshelkensis
���� oreades pacifica
���� polylepis pseudo-filix-mas
���� purpurella remota
���� sacrosancta saxifraga
���� sieboldii stewartii
���� sublacera tokyoensis
���� uniformis varia
���� wallichiana

�Other Genera
��� Adiantum Arachniodes
��� Aspidotis Asplenium
��� Astrolepis Athyrium
��� Blechnum Cheilanthes
��� Cryptogramma Cyrtomium
��� Cystopteris Dennstaedtia
��� Deparia Diplazium
��� Gymnocarpium Lygodium
��� Matteuccia Onoclea
��� Oreopteris Osmunda
��� Pellaea Phegopteris
��� Pleopeltis Polypodium
��� Polystichum Pteridium
��� Pteris Pyrrosia
��� Thelypteris Woodsia
��� Woodwardia
Dryopteris hondoensis Koidz.
Etymology Hondoensis references Hondo, Japan.
Description Rhizome: erect, bearing several fronds in a tuft, branching, scaly.
Frond: 70 cm high by 20 cm wide, evergreen, monomorphic, blade/stipe ratio: 2:1.
Stipe: grooved, straw-colored, dark, scaly at base, scales lanceolate, brown, vascular bundles: 3-7 in a c-shaped pattern.
Blade: 2-pinnate-pinnatifid, more on older plants, ovate to triangular, leathery, light brown, linear to bullate scales on rachis, below, absent above.
Pinnae: 10 to 12 pair, opposite, the basal pinnae anadromous; costae grooved above, continuous from rachis to costa; margins margins lobed or serrate; veins free, forked.
Sori: round, in 1 row between midrib and margin, extras at base of larger pinnules, indusium: reniform, gray-white early, brown later, at a sinus, sporangia: brownish, maturity: summer.
Culture Habitat: on floor of lowland forests. Distribution: Japan, Korea and China. Hardy to -30�C, USDA Zone 4.
Distinctive Characteristics new growth reddish, similar to D. eythrosora, confused with it in commerce, the latter larger when mature, more arching, the crowns wider spreading, stipe scales paler, segments rounder
Dryopteris hondoensis
Dryopteris hondoensis. Frond. �Photo: Tom Stuart
Notes
f. rubisora red indusia
Dryopteris hondoensis
Dryopteris hondoensis. Fertile pinna; blowup of pinnule on the click-through. �Scan: Tom Stuart
Dryopteris hondoensis
Dryopteris hondoensis. A) frond, bar 5 cm, B) stipe scales, bar 5mm, C) lowest pinna, bar 1 cm, D) pinnule from medial pinna, bar 5mm. �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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