Flora of the Hawaiian Islands
Pteridophyte Literature for Tectaria gaudichaudii
Palmer, 2003.
   Tectariaceae Bibliography
      Tectaria gaudichaudii

Common name(s): `iwa`iwa lau nui
General Information
DistributionHawaiian Islands.In the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Tectariaceae - Tectaria gaudichaudii Tectariaceae - Tectaria gaudichaudii

Click here for detailed USGS map by Jonathan Price
HabitatMoist, shady valleys and gulches
Elevation210-1250 m
Terrestrial, medium-sized to large; rhizomes decumbent.
Fronds 30-140 cm long, clustered, stipe glossy, mahogany brown or purple, scaly only at base, scales scattered, lanceolate brown, blade 1-pinnate-pinnatifid to bipinnatifid, deltate, dark green; rachises becoming winged distally, tips finally becoming deeply pinnatifid with sinuate, lanceolate lobes separated by broad angular sinuses, membranous; pinnae 3-10 pairs below pinnatifid blade tips, nearly opposite, lanceolate, pinnae at bases short-stalked, becoming adnate distally, deeply pinnatifid, adaxial costae and major veins densely covered with stubby, multicellular usually obtuse-tipped hairs; ultimate segments deeply crenulate to lobed; veins prominent, anastomosing freely to form areoles with occasional included veinlets, areoles adjacent to pinna costae long, linear,
Sori arranged in lines near veins leading to crenulate lobes, mostly on included veinlets; indusia kidney-shaped.
Name honors Charles Gaudichaud-Beaupre (1789-1854), French pharmaceutical botanist on Capt. Louis Claude Desaulses de Freycinet's Uranie voyage to Hawaii in 1819, and again in 1841 on La Bonite under Capt. August-Nicolas Vaillant.
Nancy Khan