Flora of the Hawaiian Islands
Pteridophyte Literature for Christella dentata
Brownley, 1977; Holttum, 1977; Palmer, 2003; Flora of Australia vol. 48, 1998; Lorence & Wagner, 2019.
   Thelypteridaceae Bibliography
      Christella dentata

Common name(s): pai`i`iha
General Information
DistributionTropics and subtropics of the Old World, widely naturalized in the Americas, the Hawaiian Islands, Marquesas Islands, and other Pacific Islands.In the Hawaiian Islands, naturalized on Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i.

HabitatDisturbed mesic habitats, but also occurring in varied habitats including relatively undisturbed sites.
Elevation10-1250 m
Terrestrial. Rhizomes short-creeping, suberect to erect, ca. 7 mm in diameter, scaly at apex.
Fronds 50–100 cm long; stipe 20–60 cm long, shortly hairy, scaly at base; blade ovate to somewhat obovate or oblong-lanceolate, to 60 cm long, 25 cm wide; pinnae 15–25 on a side, proximal 2–4 pairs progressively reduced and commonly reflexed, proximal pinnae 4–5 cm long, acroscopic base strongly auriculate, largest pinnae 8–14 cm long, 1.5–2 cm wide, lobed ½–⅔ toward costa, sessile, apex long-acuminate, pinna lobes slightly oblique with rounded tips, to 4 mm wide; veins 8–9 pairs per segment, pairs of basal veins from adjacent segment anastomosing forming an excurrent vein to sinus membrane; abaxial surface of rachis, costae, and costules densely pubescent with long pale hairs; adaxial surface of blade puberulent with short acicular and capitate hairs.
Sori medial except lowest ones which may touch those on veins from neighboring costules; indusium thin, cordate-reniform, densely short-hairy.
First collected in 1922, W.B. Jones 1619.
David Lorence, co-author K. R. Wood