| Description:
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Rhizome woody, erect or shortly creeping; rhizome scales dark, linear-lanceolate in outline, 5 mm long, with narrow paler erose margins. Fronds tufted, (0.5–)1–2 m tall. Stipe straw-coloured, darker at base, 50–85 cm tall. Lamina ovate-lanceolate in outline, pinnate, 0.6(–1) m long, up to ± 50 cm wide, with apical gemma, near top pair of pinnae; pinnae in 11–18 pairs, narrowly oblong in outline, the lower bifid, 7.5–35 x 2–6 cm, with 12–46 pairs of narrowly oblong ultimate segments, 2.3–5 x 0.2–0.5 mm, apex rounded; terminal segments 6 x 0.4 cm ; sinuses usually wide; pinna segments sometimes replaced by a pinnatifid pinnule; costal spinules present above at junctions with costulae and often along costulae as well; veins free. Sori extending for ± 1/2–4/5 the length of segments, the sterile margins beyond entire. |