Flora of the Hawaiian Islands
Pteridophyte Literature for Asplenium kaulfussii
Palmer, 2003.
   Aspleniaceae -- The Spleenwort Family Bibliography
      Asplenium kaulfussii

Common name(s): spleenwort, kuau
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
HabitatMesic to wet, shady forests
Elevation150-1200 m
Terrestrial, occasionally epiphytic or epipetric; medium-sized; rhizomes decumbent, 1-4 cm diameter, tips bearing many persistent stipe bases.
Fronds 25-85 x 10-36 cm, usually not proliferous, a few populations with few to many proliferations on adaxial surfaces of lateral veins of several pinnae and frond tips; stipes clustered, dark brown to black, shiny, naked except at very base where thick, wide, dark brown scales are present; blade 1(2-)-pinnate, lanceolate, smaller at base, tips similar to lateral pinnae, shiny, bright green, glabrous; rachises green to brown; pinnae 3-25 pairs, linear-lanceolate, sometimes deeply divided, glabrous, 2-18 x 1-2.5 cm, basal pinnae gradually reduced to 1/2 size of middle pinnae, margins entire to coarsely dentate, sometimes lacerate; veins 1-forked.
Sori elongate, extending from costae to margins, sometimes shorter; indusia conspicuous.
Name honors George Friedrich Kaulfuss (1786-1830), German botanist and professor of forestry and botany at Halle, who described more than 20 new Hawaiian fern species based on Chamisso's collections (1816-1817) made during the Russian Kotzebue expedition.
Sally Eichhorn