Fronds 30-100(-125) cm long; stipe straw-colored to light brown, scales at base narrow, twisted, linear-lanceolate, dark brown, upper stipes and rachises glabrous or with scattered hairlike scales; blade 3-pinnate, deltate, dark green, chartaceous; pinnae 10-16 pairs, stalked, costae and costules naked except for occasional hairlike scales; ultimate segments short-stalked or sessile, rectangular, lobed, bases cuneate, tips obtuse, usually with 1-2 small teeth; veins free, 1- to 2-forked.
Sori
Sori submarginal, close to sinuses, on distal forks of veins; indusia absent.
Notes
Name for the Sandwich Islands, an earlier name for the Hawaiian islands, + Latin suffix -ensis, indicating place or country of growth or origin.
