Asplenium - Aspleniaceae

Asplenium diplazisorum Hieron.

 

 

 

 

Synonyms

Common name

Description

Rhizome erect, short; rhizome scales triangular, apex long tapering to a slender point. Fronds monomorphic, tufted, erect, herbaceous, not proliferous. Stipe 8–16 cm long, greyish, grooved, with sparse scales and near apex articulated hairs. Lamina oblong in outline, 10–15 x 5–7 cm, pinnate, basal pinnae not or hardly reduced, terminal pinna deltoid-oblong in outline, margin toothed; pinnae in 6–8 pairs, trapezoid-oblong in outline, to 4 x 1.7 cm, apex rounded or pointed, base uneven, margin with blunt tooth, hairless, alternate, petiolulate; costa apparent. Sori many, on the veins at 45° angle to costa, not reaching costa or margin, linear, 3–8 mm long; indusium membranous, entire.

Notes

Derivation

Habitat

Swamp forest, on stumps or mounds.

Distribution worldwide

See African distribution.

Distribution in Africa

Cameroon, Congo, Dem. Republic of Congo, Gabon, Ghana, Guinea, Ivory Coast, Liberia, Sierra Leone, Uganda.

Growth form

Epiphytic, terrestrial.

Literature

  • Beentje, H.J. (2008) Aspleniaceae. Flora of Tropical East Africa, Page 34.
  • 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 83.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3. Flore du Cameroun, Page 199.
  • Thardieu-Blot, M.L. (1964) Ptéridophytes vol.8. Flore du Gabon, Pages 134 - 135.
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