Rhizome stout, somewhat tortuous, c. 5 mm. diam., densely clad in narrow dark brown bristly hairs. Stipes 20-60 cm. long, stout, erect, ± compressed, pale to dark brown, glab. except for bristles at base. Lamina 15-60 cm. long, tripinnate, glab., coriac., dark to light green above, glaucous to white or sometimes pale green below, broadly deltoid-triangular in outline. Pinnae ascending, primary 10-20 cm. long, secondary 5-10 cm.; pinnules oblong, subacute to acute, notched, up to 5 cm. long. Sori in sinuses of pinnules; indusium c. 1 mm. long, truncate at mouth; receptacle far-exserted when mature, slender, hairy, 2-3 mm. long. Sporangia shortly stalked, pyriform to obovoid.