| General Information |
| Distribution | Hawaii. Also native from China to Australia, to Indonesia, the Celebes, and Sri Lanka.In the Hawaiian Islands,
indigenous to
Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.
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| Habitat | Locally common in mesic to dry forests, occasionally in wet forests. |
| Elevation | 375-1680 m
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Habit
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Terrestrial, medium-sized; rhizomes decumbent.
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Leaves
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Fronds 15-45 x 1.4-3.4 cm; a single proliferation terminates the tip of the rachis, proliferation embraced by 2 distal pinnae; stipe 1/4-1/3 blade length, black, shiny; blade 1-pinnate, narrow, linear-lanceolate, dark green, coriaceous; rachises black, shiny; pinnae 30-40 pairs, short-stalked, alternate, uniform, oblong to triangular, 6-17 x 4-6.4 mm, dimidiate to subdimidiate, base often with distal auricle, distal margins entire to shallowly crenate with 6-10 broad marginal teeth, tips rounded to pointed; veins inconspicuous, unforked below midvein, forked above, middle pinnae with 9-20 vein endings.
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Sori
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Sori 4-8 above costae, 0-3 below; indusia wide, thin.
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Notes
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Latin normalis is used in botany to distinguish single- from double-flowered forms, perhaps applied here in reference to the single proliferation at the tip of the frond.
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Contributor
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Sally Eichhorn
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