| General Information |
| Distribution | Hawaiian Islands.In the Hawaiian Islands,
endemic to
Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i.
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| Habitat | Dry shrublands, grasslands, and forest areas, often growing out of exposed basalt |
| Elevation | 120-700 m
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Habit
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Small to medium-sized; rhizomes decumbent, short, retaining old stipes.
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Leaves
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Fronds up to 30 cm long; stipes densely clustered, round, not or minimally winged, up to 1.3 mm diameter, dark brown to purple, lustrous, naked; blade 1-pinnate-pinnatisect to 2-pinnate-pinnatisect, roughly triangular, 5-15 x 7.5-13 cm, chartaceous, glabrous, with 2- 4 pairs of pinnae or segments before reaching pinnatifid blade apex; rachises between first and second pinna pairs only slightly longer than between second and third pairs, not winged or winged only near second pinna pair; pinnae very short-stalked to sessile, opposite, spreading out from plane of blade, giving a 3-dimensional appearance (best seen in living material); ultimate segments parallel-sided, narrow, linear, mostly 2-3 mm wide, often forming a 3-dimensional cluster.
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Notes
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Latin decorus, beautiful.
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Contributor
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Sally Eichhorn
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