Hardy Fern Home

C. caryotideum resources
Descriptive
habithabit
Distribution
extremely widespreadextremely widespread
Flora
Flora of JapanFlora of Japan
Photo
fine specimen, caryotideum?fine specimen, caryotideum?
frondfrond
Photo index
HawaiiHawaii

All Ferns
  Dryopteridaceae
   Cyrtomium
     caryotideum
     falcatum
     fortunei
     macrophyllum

 Other Genera
    Adiantum  Arachniodes
    Aspidotis  Asplenium
    Astrolepis  Athyrium
    Blechnum  Cheilanthes
    Cryptogramma  Cystopteris
    Dennstaedtia  Deparia
    Diplazium  Dryopteris
    Gymnocarpium  Lygodium
    Matteuccia  Onoclea
    Oreopteris  Osmunda
    Pellaea  Phegopteris
    Pleopeltis  Polypodium
    Polystichum  Pteridium
    Pteris  Pyrrosia
    Thelypteris  Woodsia
    Woodwardia
 
Cyrtomium caryotideum (Wall. ex Hook. et Grev.) C. Presl

Dwarf holly fern

Etymology Caryotideum means Caryota-like, and that comes from the genus Caryota, palms with pinnate leaves.
Description Rhizome: erect, short, a few fronds in a tuft, becoming massive in age, scales dark brown, 1--1.5 cm long.
Frond: 70 cm high , evergreen, monomorphic, blade/stipe ratio: 2:1.
Stipe: rather densely scaly at base, vascular bundles: 4 or more, in an arc.
Blade: 1-pinnate, oblong-lanceolate, leathery, gray-green, filiform scales below, glabrous above.
Pinnae: 3 to 6 pair, large, sometimes with pointed ears at the base, a terminal pinna largest; margins minutely serrate, spiny; veins netted.
Sori: round, small, in 2 or 3 rows parallel to the midrib, indusium: peltate, grayish, sometimes darker in center, central, sporangia: brown.
Culture Habitat: on muddy crevices of limestone in mountain forests. Distribution: Japan, China, Philippines, Vietnam, Hawaii. Hardy to -20°C, USDA Zone 6.
Synonyms
Aspidium caryotideum Wall. ex Hook. et Grev.
Polystichum caryotideum (Wall.) Diels
Cyrtomium caryotideum
Cyrtomium caryotideum. Habit, soral pattern, venation.  From the web site of Gerald Carr, Univ. of Hawaii
Valid XHTML 1.0     Reports of errors and omissions appreciated: toms AT hardyfernlibrary.com (please replace the AT with @)