Terrestrial fern. Rhizome stout, erect; apex covered with short triangular brown scales. Fronds tufted, erect, 50–200 cm tall, shining; stipe base with no scales or a few short dark brown scales; lamina outline broadly deltoid, 30–150 cm long, slightly coriaceous, bipinnate at base for 1 or 2 divisions, pinnate for 3 or 4 divisions, then apical portion deeply pinnatifid with a continuous portion of lamina along midrib of pinnules between segments 0.5–1.5 mm wide; midrib of pinnae above slightly flanged, with a blunt tooth 0.5–1 mm long at the junction of each pinnule midrib; pinnules narrow (those of median pinnae (2–) 3–4 (–6) cm long, 4–6 mm wide); veins netted. Sori submarginal, continuous; pinnule apex sterile, 2–7 mm long, dentate, long-acute.