Asplenium - Aspleniaceae

Asplenium chaseanum Schelpe

 

 

 

 

Synonyms

Common name

Description

Rhizome erect, c. 4 mm diameter; scales dark brown, awl-shaped, up to 3 mm long, margins entire. Fronds tufted, arching, thinly coriaceous. Stipe up to 15 cm, black, sparsely set with brown scales c. 2 mm long. Lamina up to 12 × 7 cm, deeply 2-pinnatifid, oblong-acute in outline, basal pinnae slightly reduced. Pinnae up to 5 × 1.5 cm, elongate-trapeziform in outline, glabrous on both sides, deeply pinnatifid into narrowly oblong lobes with irregularly toothed apices. Rhachis black, with narrow greenish wings in the upper part, glabrous except for a few scales similar to those on the stipe. Sori up to 1 cm long, linear, indusium entire.

Notes

Derivation

Habitat

Shade in evergreen forest, on rocks, near waterfalls and in beds of seasonal rivulets.

Distribution worldwide

Distribution in Africa

Dem. Republic of Congo, Zambia.

Growth form

Lithophytic, terrestrial.

Literature

  • Kornas, J. (1979) Distribution and ecology of the Pteridophytes in Zambia. Polska Akademia Nauk Wydzial II Nauk Biologicznych. Pages 97 - 98.
  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report, 13 Page 163.
  • 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 82.
  • Schelpe, E.A.C.L.E. (1970) Pteridophyta. Flora Zambesiaca, 0 Page 183.
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