Rhizome 2-4 mm thick, internodes to 0.7-1.2 cm long; vascular strands with bundle sheath incompletely or fully sclerified; sclerenchyma strands 10-many (often little more than 10). Rhizome scales peltate, spreading, 5-6.5 by 1.2-1.5 mm, acute, straw-coloured to brown, evenly coloured, remotely and weakly dentate to short-dentate. Fronds simple, monomorphic or slightly dimorphic. Fertile fronds with stipe 1.5-9 cm long; lamina 1.4-23 by 0.4-0.7 cm, index 2-46, widest at 0.5-0.7 from base or linear. Sterile fronds: lamina 1.5-4 by 0.5-0.7 cm, index 3-6; base narrowly cuneate, apex broadly rounded. Venation: main veins on upper surface not raised, indistinct. Hydathodes absent. Margin cartilaginous, strongly thickened; notches regularly to (rarely) abundantly present, in fertile fronds regularly present. Sori round, in two rows between adjacent veins, in one row between costa and margin, 2-3 mm wide, slightly sunken.
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