Beste Online Casino Nederland

Hardy Fern Home

D. cycadina resources
Flora
Flora of Taiwan, includes drawing (pdf, large), as D. atrataFlora of Taiwan, includes drawing (pdf, large), as D. atrata
Monograph
Hoshizaki and WilsonHoshizaki and Wilson
Photo
emerging crosieremerging crosier
habithabit
Photo index
PlantSystematics.org, diagnostic photosPlantSystematics.org, diagnostic photos

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 cycadina (Franchet & Savatier) C. Christensen

Black wood fern, shaggy wood fern

Etymology Cycad-like, referring to its radial symmetry and pinnate fronds.
Description Rhizome: short-creeping.
Frond: 100 cm high by 20 cm wide, evergreen, monomorphic, blade/stipe ratio: 5:2.
Stipe: grooved, pale brown, scales black-brown, the largest 2 cm, vascular bundles: 3-7 in a c-shaped pattern.
Blade: 1-pinnate, oblanceolate, leathery, sparsely scaly below, more densely on the costa, rachis scales black, costae scales brown, glabrous above.
Pinnae: 20 to 30 pair, lanceolate to linear, sessile, coarsely toothed; costae grooved above, continuous from rachis to costae; margins coarsely toothed; veins single to a tooth.
Sori: round, nearer the costa than the margin, in 2 or 3 irregular rows, indusium: reniform, withering, attached at a sinus, sporangia: brownish, maturity: midsummer.
Culture Habitat: humus-rich mountain slopes usually in dense forests at 1700-2600 m alt. Distribution: Japan, China, Himalayas. Hardy to -25�C, USDA Zone 5.
Synonyms
Aspidium cycadinum Franch. & Sav.
Dryopteris atrata (Kunze) Ching, misapplied
Dryopteris hirtipes (Bl.) Kuntze, misapplied
Dryopteris cycadina
Dryopteris cycadina. Habit. The click-through image is a close-up of one frond. �Photo: Tom Stuart
Dryopteris cycadina
Dryopteris cycadina. Fertile pinna; click to see a magnified portion. �Photo: Tom Stuart
Dryopteris cycadina
Dryopteris cycadina. �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.
Valid XHTML 1.0���� Reports of errors and omissions appreciated: toms AT hardyfernlibrary.com (please replace the AT with @)