Asplenium - Aspleniaceae

Asplenium brausei Hieron

 

 

 

 

Synonyms

Common name

Description

Rhizome shortly creeping or ascending; rhizome scales greyish, broad, cordate at the base, margins toothed, ciliates. Frond 30-50 cm long, monomorphic. Stipe up to 1/4 - 1/3 of frond length, scaly at the base, brownish. Lamina lanceolate in outline, 2-pinnate to 3-pinnatifid, pinnatifid at the apex; pinnae 20-25 pairs, alternate, sessile, oblong or linear-oblong in outline, up to 7 x 1.5 cm; ultimate segments trapezoid-rhomboid in outline, base unequally cuneate, outer margins toothed, surface subglabrous; rhachis bearing the same large scales as the rhizome; veins forked. Sori indusiate, indusium blackish.

Notes

Derivation

Habitat

On rocks at base of cliff face with running water.

Distribution worldwide

See African distribution.

Distribution in Africa

Cameroon, Gabon.

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 80.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3. Flore du Cameroun, Pages 218 - 219. (Includes a picture).
  • Thardieu-Blot, M.L. (1964) Ptéridophytes vol.8. Flore du Gabon, Pages 140 - 141.
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