Species

Arthropteris cameroonensis Alston

Synonyms	Nephrodium punctulatum Baker, non Desv. Arthropteris orientalis (J.F.Gmel) Posth. var. punctulata (Baker) F.Ballard
Common name
Description	Rhizome long creeping. Fronds monomorphic, spaced, coriaceous. Stipe 7-10 cm, not articulated, dark at the base, straw-coloured above, with short, straight hairs. Lamina pinnate, deltoid in outline, 15-20 cm long; apical pinna triangular, slightly lobed below; lateral pinnae 4-8 pairs, opposite, sessile, articulated, linearin outline, apex slightly tapering, base with acroscopic side wedge-shaped, slightly auriculate, basiscopic side more oblique, margins obscurely lobed, surfaces smooth, upper surface with white calcareous glands; rhachis with short, straight hairs; veins pinnate. Sori on the veins, several per lobe, more or less confluent; indusium kidney shaped.
Notes
Derivation	cameroonensis: from Cameroon where this fern was first discovered.
Habitat	On rocks.
Distribution worldwide	See African distribution.
Distribution in Africa	Cameroon , Equatorial Guinea (incl. Bioko), Ivory Coast .
Growth form	Lithophytic.
Literature	Roux, J.P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23, South African National Biodiversity Institute, Pretoria. Page 192. Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3.Flore du Cameroun, Pages 115 - 116. (Includes a picture).