Plants 1.2-1.8 m tall. Rhizome creeping. Fronds approximate; stipe dark rufous, ca. 1/3 as long as lamina, stout, with raised ridges on base; scales appressed, brown, small, ovate-lanceolate, thin; lamina lanceolate to ovate-lanceolate, ca. 70 × 50 cm, bipinnate, base somewhat narrowed, truncate, apex acuminate; pinnae 25-32 pairs, oblique, remote, narrowly lanceolate, ca. 25 × 4 cm, apex caudate-acuminate, basal several pairs shortly stalked; pinnules 20-24 pairs, spreading, remote, oblong or orbicular-falcate, apex obtuse, basiscopic base obliquely truncate, acroscopic side slightly protruding, asymmetrical, sessile, attached to costa, pinnatisect at base. Lamina herbaceous, sparsely scaly adaxially, densely so abaxially; scales castaneous, lanceolate and linear-lanceolate, serrate; veins pinnate, forked, conspicuous on both surfaces, apices with distinct hydathode adaxially. Sori in 1 row on each side of costule, not close to costule; indusia castaneous, orbicular-reniform, entire.
Home