Terrestrial fern. Rhizome short, erect; apex of rhizome and base of stipe covered with lanceolate-triangular brown scales, 5–7 mm long. Fronds tufted, erect, c. 1 m high; lamina outline broadly deltoid, 60 cm long and wide, membranous; bipinnate at base for 1 or 2 divisions, pinnate for 4 divisions, then apical portion deeply pinnatifid with a continuous portion of lamina along midrib of pinnules between segments 3–5 mm wide; midrib of pinnae above raised, with a blunt 'tooth' 0.25–0.5 mm long associated with junction of each pinnule midrib; pinnules slightly curved (those of median pinnae 15–40 mm long, (6–) 8–10 mm wide), acute; veins netted. Sori almost marginal, continuous; pinnule apex sterile, serrate, 2–10 mm long.
Home