Asplenium - Aspleniaceae

Asplenium currorii Hook.

 

 

 

 

Synonyms

Asplenium africanum Desv. var. currorii (Hook.) Tardieu

Common name

Description

Rhizome erect; rhizome scales narrow lanceolate in outline, with black walls. Fronds monomorphic, tufted, submembranous, not proliferous. Stipe base pale, grooved on the upper side. Lamina simple, narrowly linear-lanceolate in outline, up to 40-60 x 3-4 cm, subsessile, descending almost to the base of the petiole, base wedge-shaped, apex gradually tapering to a slender point, margin slightly wavy, veins simple or forked, making an angle of 30-40 ° with the costa. Sori short, spaced, thick, reaching neither the margin nor the costa.

Notes

Asplenium africanum has broader fronds (up to 8 cm), sori that are thin & close, angled 70° to the costa.

Derivation

Habitat

In moist deeply shaded evergreen forest.

Distribution worldwide

Africa, Principe Isl., Sao Tomé.

Distribution in Africa

Angola, Cameroon, Ghana, Guinea, Ivory Coast, Mozambique, Nigeria, Togo.

Growth form

Epiphytic, lithophytic.

Literature

  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta.Southern African Botanical Diversity Network Report, 13 Page 162.
  • 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, Pages 180 - 181. (Includes a picture).

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