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Rhizome widely creeping, up to 10 mm in diam.; scales dark brown, ovate, up to 12 mm, entire. Fronds erect, widely spaced, up to 1.5 m long. Stipe stramineous to brown, glabrous, up to 1 m long, up to 8 mm in diam. Lamina herbaceous, broadly deltate, up to 500 x 500 mm, 4-pinnatifid. Pinnae: basal pinnae nearly as long as lamina and basiscopically developed; ultimate lobes often slightly falcate, adnate to rachis and decurrent, glabrous, up to 26 x 5 mm; sterile lobes and apices of fertile lobes serrate; costules spinous adaxially; veins anastomosing along broadly winged parts of costae and costules. Indusium membranous, entire to repand, up to 1 mm wide.
Perennial with widely spreading rhizome. Fronds arching, soft, to 1.5 m, stipe glabrous, lamina broadly deltate, 4-pinnatifid, proximal pinnae basiscopically developed, ultimate lobes falcate, adnate, apices serrate, costules spinulose beneath, veins reticulate, forming costal areolae. Sori along lobe margins, indusium erose.
Rhizome widely creeping, set with dark brown rhizome scales. Lamina 4-pinnatifid with basal pinnae. Ultimate lobes adnate to rhachis and decurrent, up to 26 x 5 mm. Sterile lobes and apices of fertile lobes serrate.
