Rhizome 2.5-3 mm thick, internodes to 2.5-3 cm long; vascular strands with bundle sheath fully sclerified; sclerenchyma strands many. Rhizome scales peltate, usually squarrose, sometimes spreading, 3-5.5 by 0.7-1 mm, acute, brown, with a lighter margin, strongly dentate, occasionally long-ciliate. Fronds simple, strongly dimorphic. Fertile fronds with stipe 4-10 cm long; lamina 7-9 by 0.2-0.4 cm, linear. Sterile fronds with stipe 1-7 cm long; lamina 5-14.5 by 1-4 cm, index 2.6-9, widest at 0.3-0.4 from base. Venation: main veins on upper surface raised, distinct. Hydathodes ab-sent. Margin cartilaginous, thickened; notches often present. Sori elongated, in one row between adjacent veins and between costa and margin, 2-3 mm wide, superficial.
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