Polypodium cameroonianum Hook.
Aspidium cameroonianum (Hook.) Mett. ex Kuhn

Rhizome thick, ascending, forming a trunk of 40-60 cm. Fronds monomorphic, subcoriaceous. Stipe 30-40 cm long, purple, black at the top, shiny, grooved, smooth. Lamina bipinnate-bipinnatifid, deltoid in outline, 40-60 x 15-20 cm; apical pinna deltoid, deeply lobed, shortly decurrent; lateral pinnae 4-5 paires, basal pinna petiolate, basiscopically developed, deeply pinnately divided, basal segments free, lobed, other segments united by a large wing, middle pinnae shortly petiolate or subsessile, deeply pinnatly divided, apical deltoid, divided into round, oval , entire segments; rhachis blackish; costa black, shiny, often with short hairs; veinlets forming several rows of areols without included veinlets. Sori in several rows; mostly indusiate.

camerooniana: this fern was first discovered in the Cameroon Mountains by G. Mann.

On ground in forest, c. 1000m.

See African distribution.

Cameroon, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko).

Terrestrial.