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D. uniformis resources
Flora
Flora of JapanFlora of Japan
Herbarium
inoperativeMakino Herbarium, as Nephrodium lacerum var. uniformis (link inoperative)
Monograph
Hoshizaki and WilsonHoshizaki and Wilson
Photo
crown habit, croziers, emergencecrown habit, croziers, emergence
frond, base of stipefrond, base of stipe
rhizome, fertile pinna, stiperhizome, fertile pinna, stipe

All Ferns
  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 uniformis (Makino) Makino
Description Rhizome: short, thick, erect, also branching occasionally, scaly.
Frond: 70 cm high by 20 cm wide, deciduous, monomorphic, blade/stipe ratio: 3:1.
Stipe: grooved, scales black-brown, the largest 2 cm, vascular bundles: 3-7 in a c-shaped pattern.
Blade: 2-pinnate at base, oblong-lanceolate to oblong, herbaceous or papery, appressed scales beneath, especially on the costae.
Pinnae: 12 to 24 pair, lanceolate, sterile 2-3.5 cm wide, fertile 1 cm wide; pinnules oblong, round to moderately acute at apex, 4--7 mm broad, minutely dentate at margin; costae grooved above, continuous from rachis to costae; veins free, forked.
Sori: round, confined to upper pinnae, medial on ultimate lobes, indusium: reniform, at a sinus, sporangia: brownish.
Culture Habitat: in lowlands, at edge of forests. Distribution: Japan, Korea and E. China. Hardy to -25C, USDA Zone 5.
Synonyms
Nephrodium lacerum (Thunb.) Baker var. uniforme Makino
Dryopteris uniformis
Dryopteris uniformis.  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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