Arthropteris - Tectariaceae

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).
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