Flora of the Hawaiian Islands
Pteridophyte Literature for Vandenboschia cyrtotheca
Palmer, 2003.
   Hymenophyllaceae -- The Filmy Fern Family Bibliography
      Vandenboschia cyrtotheca
General Information
DistributionHawaiian Islands.In the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Click here for detailed USGS map by Jonathan Price
HabitatGulch bottoms or in dark, wet forests
Elevation150-750 m
Terrestrial, small to medium-sized; rhizomes climbing, 1.5-2 mm diameter.
Fronds 13-37 X 8-12 cm; stipe long, usually 1/3-1/2 frond length, fine dark hairs at base; blade 2- to 3-pinnate, triangular, widest at base, dark green, stiff-membranous, glabrous, in living plants blades often incline at 45° angle to stipe; pinnae lanceolate, tips acuminate; ultimate segments deeply lobed lobe tips dentate; veins free, forked, prominent.
Sori marginal, arising in sinuses, usually on short, bent stalks, commonly oriented at right angle to blade, often absent; indusia, narrowly cone-shaped, tips slightly flared.
Greek kyrtos, curved, + theke, case, sheath, supposedly in reference to the indusium being bent out of the plane of the blade.
Sally Eichhorn