Rhizome shortly trailing, 5-8 mm wide, covered by tomentose roots, with scales towards the apex, scales brown grey, ovate-oblong to largely ovate, 2-5 mm long, with acuminate apex; leaves very close between, directly attached, leaf surface decurrent in base, with ligules or elongated oblong to linear-lanceolate, 30-120 cm long, 4-8 cm wide at centre, pointed and obtuse at apex, margin elongated, cartilaginous; primary sheath oblique, prominent underneath, connected by arcs of veins that form areoles, these make each of the two sori round and exindusiated; sori 2-seriate between lateral veins.