Plants 30-70 cm tall. Rhizome short or occasionally shortly elongated, to ca. 8 mm thick, in cross section with many scattered sclerenchyma strands; phyllopodia close, lateral buds situated basal on phyllopodia. Scales pseudopeltate, to 11 × 1.5 mm, base entire to ciliate; acumen brown, dentate to shortly ciliate. Fronds monomorphic, stipitate; stipes 15-30 cm, 0.5-1 × as long as lamina; lamina widest at middle, 20-36 × 4.5-8 cm, base cuneate and slightly decurrent, apex ± acuminate. Hydathodes distinct, superficial or sunken. Indument dimorphic, brown; upper layer not very dense, hairs to 2 mm in diam., with acicular rays, lower layer densely covering lamina, with mainly woolly rays. Sori superficial, without central bundle of paraphyses. Sporangia with stalks 0.5-0.75 × as long as capsule.
Home