| General Information |
| Distribution | In the Hawaiian Islands,
naturalized on
Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.
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| Habitat | Common as clones forming large colonies in closed-canopy mesic forests, especially on rock or rocky substrates, and occurring in all but the most extreme habitats. |
| Elevation | 30-1560 m
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Habit
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Plants medium-sized. Rhizomes erect, stoIoniferous, stolons subterranean, long creeping.
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Leaves
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in lower parts, well clothed with very short chainlike hairs. Blades 1-pinnate, lanceolate to ovate-lanceolate, pinnae well separated in basal 2/3, gradually becoming pinnatifid at tips; rachises grooved, straw-colored, abaxial surfaces well covered with very small, inconspicuous, 0.1-mm glands, small, short glandular hairs, and stubby round-tipped hairs, abaxial surface with fewer of these structures. Pinnae 6-20 pairs before becoming pinnatifid near blade tips, short-stalked proximally to adnate distally, ovate-lanceolate, 2.5-8 cm long, basal pinnae smaller or not, margins entire, adaxial costal groove not continuous with rachis groove. Veins joining to form continuous linear veins (commissures) close to and parallel to costae, forking distally.
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Sori
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Sori long-linear, on pericostaI vein commissures, 1-5.5 cm long, extending most of length of pinnae. Indusia tan, scarious, opening inward.
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Contributor
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Sally Eichhorn
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