Plants evergreen. Rhizome erect or ascending, short, densely covered with linear grayish brown scales. Fronds up to 1 m; stipe stramineous, 26-40 cm, 5-7 mm in diam. at base, densely covered with linear or lanceolate, grayish brown scales and larger scales; large scales grayish brown, ovate-lanceolate and broadly lanceolate, up to 12 × 4 mm, subentire or with few small teeth, caudate or long acuminate. Lamina bipinnate, oblong, 33-73 × 20-31 cm at middle, slightly contracted toward base, basal part fertile, apex acute, fertile; rachis without proliferous bulbils, covered with linear or lanceolate grayish brown scales and larger scales; large scales dense, ovate-lanceolate to broadly lanceolate, up to 7 × 2.5 mm, margins fimbriate, apices long acuminate. Pinnae 9-15 pairs, opposite or nearly opposite, ascendant, shortly stalked, oblong-lanceolate, gradually contracted toward base, apex caudate, middle pinnae 11-17 × 2.5-3.2 cm, 1-pinnate; costa densely covered with linear grayish brown scales. Pinnules 15-17 pairs, alternate, shortly stalked, falcate-oblong, bases cuneate, acroscopic margins subentire, with deltoid auricles, apices acute; abaxially with dense lanceolate microscales, adaxially with few microscales; frond texture thinly leathery; venation pinnate on pinnules, lateral veins 6-9 pairs, dichotomous, distinct. Sori 8-11 pairs per pinnule, grayish brown, large, in 1 row on each side of midrib or more on acroscopic side, terminal on veinlets, exindusiate. 2n = 164.
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