Rhizome terete, 0.8-3 mm thick, short-creeping, internodes 1-10 mm long, not white waxy, bearing scales and hairs, vascular strands without sclerified sheaths, sclerenchyma strands present. Rhizome scales pseudopeltate, densely set, slightly spreading, narrowly ovate or triangular, 1.5-4 by 0.2-1 mm, margin denticulate, apex acute, clathrate or subclathrate, central region bearing multiseptate hairs at least when young. Fronds not or slightly dimorphic, stipitate, thin-herbaceous. Stipe 0.3-2 cm long, 0.5-1 mm thick; lamina simple, narrowly elliptic to linear, 10-30 by 0.4-1.1 cm, index 10-50, base narrowly angustate, decurrent into a long wing, margin sinuate, apex slender, long-acuminate or rounded (in sterile fronds), lower surface without acicular hairs. Venation: veins prominent and distinct, 2-4 mm apart; connecting veins forming one row of large areoles parallel to the costa, bordered by smaller areoles; included veins few, more or less immersed and indistinct; marginal vein absent, free veinlets simple or once forked. Sori round, c. 1 mm diam., on slender, 3-4 mm long stalks on the lamina margin; round. Paraphyses peltate, clathrate.
Home