Rhizome 3-6.5 mm thick, internodes to 2.5-3 cm long. Vascular strands with bundle sheath fully sclerified, to 2 cells thick; sclerenchyma strands many to very many. Rhizome scales peltate, spreading to squarrose, 4-4.5 by 1-1.3, acute, brown to blackish, evenly coloured or with irregular dark spots, remotely and weakly dentate to short-dentate. Fronds simple, dimorphic to strongly dimorphic. Fertile fronds with stipe 8.5-9.5 cm long; lamina 11-14 by 1.4-2.2 cm, or longer, index 5-10, widest at 0.3 from base. Sterile fronds with stipe 3-8.5 cm long; lamina 14-18 by 4.1-6.6 cm, index 2.3-3.6, widest at 0.2-0.4 from base. Venation: main veins on upper surface raised, distinct. Hydathodes absent. Margin not differentiated to cartilaginous, flat; notches absent or (rarely) present. Sori elongate to transverse coenosori, singly between adjacent veins, 4-5 mm wide, superficial.
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