Pteridophyte | Literature for Pseudophegopteris keraudreniana
Palmer, 2003. |
Thelypteridaceae | Bibliography |
Pseudophegopteris keraudreniana | |
Common name(s): `akolea, ala`alai, waimakanui |
General Information | ||
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Distribution | Hawaiian Islands.In the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i. | |
Habitat | Wet forests | |
Elevation | 200-1800 m |
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Habit |
Plants with very long fronds of indeterminate growth; rhizomes long-creeping, densely covered with dark, shiny roots. |
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Leaves |
Fronds spaced 4-8 cm apart, indeterminate in length, up to 6+ m long, terminal dormant tips growing intermittently after lower pinnae mature; stipes round, straw-colored to reddish brown, glabrous except at base in young fronds; blade 2-pinnate-pinnatifid to 2-pinnate-pinnatisect, long-lanceolate, chartaceous; rachises straw-colored, often somewhat pink, shiny; pinnae opposite to slightly subopposite, short-stalked, oblong to linear-lanceolate, light green, acuminate to obtuse, middle pinnae to 80 cm long, basal pinnae smaller; pinnules alternate, adnate to short-stalked, cut 1/3-7/8 distance to costae, abaxial surface sparsely hairy with unicellular, sharp-tipped hairs along costae and veins; ultimate segments to 2.5 cm long, obtuse-deltate, entire, crenate to lobed; veins to lobes pinnate, then mostly 1-forked. |
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Sori |
Sori small, round to slightly oblong; indusia absent. |
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Notes |
Name honors P. Keraudren (born 1769), inspector general for the medical office of the French marine and writer of medical works. |
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Contributor |
Sally Eichhorn |