Caudex either (a) prostrate, slender, up to 5 cm. or more diam., branching to form clumps, or (b) erect, stout, up to 2 m. tall. Stipes 20-60 cm. long, densely clad in lower part in shining red-brown hairs up to 2 cm. long, and in shorter brown hairs in furrow. Rhachis similarly clad, glabrate in age. Lamina 30-50 cm. long, ovate to deltoid, acuminate, coriac., yellowish green above, paler below, 2-3-pinnate. Primary pinnae diminishing upwards and downwards from 15-25 cm. long, lanceolate to oblong-lanceolate, acute. Secondary pinnae up to 5 cm. or more long, us. less. Pinnules close-set, up to 5 mm. long; barren ovate-oblong, acute to obtuse, slightly concave, crenately toothed; fertile with rounded strongly concavo-convex lobes, each bearing a sorus Indusium subcoriac.
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