Bathyphylls to 15 cm long with apical lamina continuous with rachis, larger ones with jointed small terminal pinna; pinnae to c. 15 pairs, largest 6.5 by 1.8 cm, acroscopic side broadly cuneate at base, basiscopic rounded and narrower, edges crenately lobed (lobes c. 5 mm) each lobe with 2-4 short teeth, largest pinnae toothed only towards acute apex, on smaller fronds apex blunt. Sterile acrophylls: stipe 15-25 cm; pinnae to 18 by 3 cm, sessile, acroscopic base of middle pinnae broadly cuneate to subtruncate, basiscopic rounded, edges slightly undulate, not toothed, apex acuminate, texture thin, veins conspicuous. Fertile fronds: pinnae to 20 cm long and 4 mm wide, sessile, base not dilated, whole lower surface except costa soriferous, areoles long and narrow.
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