Rhizome 2-3 mm thick, internodes to 1.5-3 cm long; vascular strands with bundle sheath fully sclerified; sclerenchyma strands many to very many. Rhizome scales peltate, spreading to squarrose, 6.5 by 1-1.3 mm (width at base), acute or contracted to a narrow acumen; acumen brown to blackish with a very narrow lighter margin, entire to remotely and weakly dentate. Fronds simple, dimorphic. Fertile fronds with stipe 6-8 cm long; lamina 10.5-14.5 by 1.1-1.4 cm, index 9.6-10, widest at 0.3-0.5 from base. Sterile fronds with stipe 4.5-6 cm long; lamina 15-17 by 3.3-4.8 cm, index 3.3-4.9, widest at 0.3-0.4 from base. Venation: main veins on upper surface raised, distinct. Hydathodes absent. Margin not differentiated or cartilaginous, flat or slightly thickened; notches sporadically to regularly present, in fertile fronds absent to regularly present. Sori in transverse coenosori, 2 mm wide, superficial.