Rhizomes short and decumbent, 2.5-3.5 mm in diam., densely scaly; scales mostly dark brown, triangular-lanceolate, 2-3.5(-5) × 0.8-1.5 mm, base cordate, margins denticulate; lumina small, most opaque, marginal 1 or 2 rows of cells brownish, transparent. Fronds clustered, normally pendulous; stipe straw-colored, 0.2-0.4 cm; lamina narrowly linear, "Vittaria"-like, 15-60 × 0.2-0.4 cm, firm, leathery, glabrous, usually strongly revolute. Veinlets obscure, anastomosing, 1 or 2 rows of areoles on both sides of broad costa and with a few included simple veinlets. Sori located within a pair of longitudinal grooves on each side of and close to costa, linear, continuous; paraphyses peltate, stellate, margin denticulate. 0.1-0.2 mm in diam. Annulus of 14(-16) thick-walled cells. Spores bilateral, elliptic, transparent and smooth.
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