Rhizome erect or very shortly creeping; stipites approximate. Stipes 10-60 cm. long, slender, clad in spreading hairs when young. Rhachis pale brown, us. rather densely clad, as are costae, in slender hairs. Lamina up to 1 m. × 3 dm., pale green, oblong-lanceolate, membr., at first ± pilose, later glabrate. Lower pinnae reduced. Pinnae ∞, rather distant, patent, tapering from base to acuminate apex, up to 15 × 2 cm.; pinnatifid to halfway or more. Segs close-set, lowest up to 1 cm. long, oblong, obtuse to subacute, subfalcate. Lower veinlets uniting at or near narrow sinus. Sori us. cop., 1-1·5 mm. diam., close-set but not coalescing, up to 7 pairs per seg., about medial, often none or few on lowest segs. Indusium cordate-reniform, at first bearing delicate hairs.