Plants terrestrial, 30-100 cm tall. Rhizome shortly creeping or erect, thick, densely scaly at apex and stipe bases; scales stiff, dark brown with a light margin, lanceolate, 6-7 mm, entire. Fronds clustered; stipe stramineous to pale castaneous, glossy, 20-40 cm, glabrescent above. Lamina pinnatifid to quadripinnatifid, light green to brown when dried, deltoid, 20-40 × 20-30 cm, herbaceous to thickly papery, apex acute; rachises, costae, midribs of pinnules, and adaxial surface of lamina and segments ± hairy; hairs articulate, coarse; basal pinnae asymmetrical, oblong-subdeltoid, subopposite, up to 10-25 cm, bipinnate to tripinnatifid, long stalked, middle pinnae alternate, 10-15 cm, 5-7 pairs below deeply lobed apical pinnae, oblong to oblong-lanceolate; pinnules of middle pinnae stalked, oblong-subtriangular, ca. 15 × 10 cm, apices acuminate, deeply lobed; secondary pinnules falcate-lanceolate, bases crenate or pinnatifid, apices rounded; segments falcate-lanceolate, entire, obtuse. Veins copiously anastomosing, with included free veinlets. Sori orbicular, at apex of included veinlets, in a single row on each side of midrib of ultimate lobes, medial indusiate; indusia rather large, brown, entire, clypeate, membranous, glabrous or hairy. 2n = 80.