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Rhizome short-decumbent, up to 10 mm in diam., with stipe bases and concolorous or bicolorous, linear-flagelliform scales, up to 20 x 2 mm, margins with long outgrowths. Fronds caespitose, erect to arching, dimorphic, the fertile generally overtop the sterile; sterile up to 850 mm long; fertile up to 1.09 m long. Stipe proximally castaneous; sterile up to 180 mm long, up to 4.5 mm in diam.; fertile up to 145 mm long, up to 3 mm in diam., initially densely scaled. Lamina 1-pinnate; sterile narrow-elliptic, up to 800 x 175 mm, with up to 36 pinna pairs; fertile narrow-elliptic, up to 950 x 187 mm, with up to 45 pinna pairs. Pinnae herbaceous, attenuate towards base and apex; sterile narrow-triangular to oblong-obtuse, entire, auriculate, adaxially glabrous, abaxially sparsely set with filiform scales, up to 1.3 mm long; fertile linear, up to 96 x 3 mm, entire. Sori linear, extending most of length of pinna. Indusium near-marginal, linear, repand.
Rhizomatous perennial. Fronds arching, to 70 cm long, often reddish when immature, stipe proximally scaled, lamina herbaceous, oblong-elliptic, 1-pinnate, sterile pinnae oblong-attenuate, fertile pinnae linear, base somewhat auriculate acroscopically. Sori extending most of the length of the fertile pinnae, indusium erose.
