Rhizome erect, up to 60 mm in diam., with stipe bases and dark brown to black, narrowly triangular to subulate scales, up to 8 x 1.5 mm, entire. Fronds caespitose, suberect to arching, up to 800 mm long. Stipe firm, brown to greenish grey, pale brown when dry, up to 24 mm long, sulcus with a central ridge adaxially, glabrous except for scales at base. Lamina 1-pinnate, ovate, oblong or obovate, up to 500 x 290 mm, with 3-8 pinna pairs, non-proliferous. Pinnae petiolate, firmly herbaceous, oblong-lanceolate, up to 180 x 45 mm, serrate, glabrous adaxially, subglabrous abaxially. Sori linear, 6-20 x 1 mm. Indusium entire, up to 1 mm wide.