Description:
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Rhizome shortly creeping to semi-erect, up to 5-7 mm in diameter; rhizome scales linear-lanceolate in outline, apex slowly tapering to a point, subentire, 3-7 mm long, reddish brown. Fronds monomorphic, tufted, erect, 7-50 cm tall, coriaceous. Stipe up to 25(-40) cm long, dark brown, subglabrous with with dense short stiff hairs on upper surface and few hair-like brown scales near the base. Lamina pinnate but sometimes lower pinnae -3-pinnulate, ovate to lanceolate in outline, up to 24 cm × 10 cm; pinnae in 5-22(-25) pairs, ovate-lanceolate, apex and base rounded, margin entire, 4 x 1 cm; pinnules narrowly elliptic to lanceolate in outline, apex rounded, cordate to rounded base articulated to a short petiole, 1-7.5(-9) x 0.3-2.5 cm, densely to sparsely hairy on both sides or becoming hairless above, paler green below; veins hardly visible and anastomosing; rhachis and secondary rhachises black, with short, soft hairs above, hairless below. Sori marginal, continuous; indusium entire, membranous, continuous. |