Caudex to 50 cm tall, falling and then resuming upright growth from its apex; stipes not very dark nor glossy, for some distance above the base densely covered with distally very narrow and conspicuously dentate scales to 3 cm long, base of scales 2 mm wide, pinnules of suprabasal pinnae to more than 15 cm long, to 3 cm wide, very deeply lobed; costules 5-7 mm apart; lobes usually narrower, more widely spaced and more deeply crenate-lobulate in fertile than in sterile pinnules (but these characters are very variable); veins forming narrow costal areoles with no additional ones below sinuses, costular areoles variably developed, veins in crenatures once or twice forked; glands on costules and veins yellow, usually abundant; sori indusiate; spores densely spinulose.
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