Plants 20-50 cm tall. Rhizome short (rarely shortly elongated), 2.4-7 mm in diam., in cross section with many scattered sclerenchyma strands; phyllopodia contiguous, rarely ca. 0.5 cm apart, lateral buds basal on phyllopodia. Scales dull brown to blackish, pseudopeltate, 2.7-4.7 × 0.7-1.2 mm, ciliate. Fronds monomorphic, stipitate; stipe 3.5-5 cm; lamina widest near base, 10-30 × 2.5-6 cm, base cordate-truncate to ± cuneate, often unequal, apex acuminate. Hydathodes distinct, distinctly sunken. Indument persistent, monomorphic, dense, brown to grayish brown; hairs 0.3-0.5(-1) mm in diam., with appressed, boat-shaped rays. Sori superficial, without central bundle of paraphyses. Sporangia on stalks to 0.5 × as long as capsule.
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