Flora of the Hawaiian Islands
Pteridophyte Literature for Hymenophyllum lanceolatum
Palmer, 2003.
   Hymenophyllaceae -- The Filmy Fern Family Bibliography
      Hymenophyllum lanceolatum

Common name(s): palai hinahina
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
HabitatWet forests
Elevation440-1320 m
Mostly epiphytic, delicate; rhizomes threadlike, 0.1-0.5 mm diameter.
Fronds 2.5-16 x 1-2.5 cm; stipe dark brown, base with uniseriate, dark, unbranched hairs; blade lanceolate, 2-pinnate-pinnatifid to 4-pinnate-pinnatifid, tips often nodding, pointed, dull, dark green, membranous but somewhat stiff, hairs scattered on margins and on veins, unbranched or 1-branched at their bases; rachises dark brown; pinnae usually drooping, short-stalked, winged, pinna costae dark brown; ultimate segments linear, about 1 cm wide, obtuse-tipped; veins unforked, prominent, dark.
Sori marginal at tips of ultimate segments; indusia bivalved and immersed in tips of ultimate segments.
Latin lanceolatus, spearlike, alluding to the lanceolate shape of the frond.
Nancy Khan