Flora of the Hawaiian Islands
Pteridophyte Literature for Adiantum capillus-veneris
Palmer, 2003.
   Pteridaceae Bibliography
      Adiantum capillus-veneris

Common name(s): `iwa`iwa, maidenhair ferns, `iwa`iwa, `iwa`iwa hawai, `iwa`iwa kahakaha, maidenhair fern, Venus' hair fern
General Information
DistributionWorldwide in tropical or subtropical regions; commonly grown in horticulture.In the Hawaiian Islands, indigenous to Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Pteridaceae - Adiantum capillus-veneris Pteridaceae - Adiantum capillus-veneris

Click here for detailed USGS map by Jonathan Price
HabitatShaded rock banks, coastal seeps, and in sea caves
Elevation0-430 m
Terrestrial or epipetric, delicate, on shady banks; rhizomes short-creeping, covered with tan scales.
Fronds erect to spreading, 15-50 cm long; stipe dark brown to purplish black, glabrous, shiny; blade 1- to 3-pinnate, regularly pinnately divided, lanceolate to ovate; ultimate segments fan-shaped, membranous, lower margins wedge-shaped with centrally attached pinnule stalks, outer margins rounded, finely toothed, often shallowly to deeply irregularly lobed; veins extending into marginal teeth, except for those ending in sori.
Sori 3-7 per segment, bar-shaped at tips of lobes.
Latin capillus, hair, + Venereus, of Venus.
Sally Eichhorn