Feuilles : toutes bipennatiséquées ; pennes basales non tachées de noir ; longueur des pennes basales nettement plus courtes que les médianes. Feuilles en hélice
Leaves: Fronds firm and green 22-50 cm long, rather slender, lanceolate in outline, pinnate, with pinnae deeply pinnatifid pinnae 20-30 pairs, lower rather shorter than central ones, not darkened at the junction with the rachis; lobes or pinnules 15-20 pairs on each pinna, apical portion subentire, remainder oblong-obtuse, crenate with broad, obtuse teeth, glandular below; rachis with the bare portion as long as leafy part, clothed, somewhat densely, with brown, concolorous scales.
Spores : Indusie bordée de nombreuses glandes (difficile à voir car la bordure est repliée en dessous), échancrée au centre (réniforme),
Spores: Son 1.5-2.0 mm, rather large, 2-4 or at times only one, on each side of the midrib, subtended by a short branch of a secondary vein; indusium reniform, glandular on the margin, scarcely covering the sporangia.