Tectaria - Tectariaceae

Tectaria camerooniana (Hook.) Alston

 

 

 

 

Synonyms

Polypodium cameroonianum Hook.
Aspidium cameroonianum (Hook.) Mett. ex Kuhn

Common name

Description

Rhizome thick, ascending, forming a trunk of 40-60 cm. Fronds monomorphic, subcoriaceous. Stipe 30-40 cm long, purple, black at the top, shiny, grooved, smooth. Lamina bipinnate-bipinnatifid, deltoid in outline, 40-60 x 15-20 cm; apical pinna deltoid, deeply lobed, shortly decurrent; lateral pinnae 4-5 paires, basal pinna petiolate, basiscopically developed, deeply pinnately divided, basal segments free, lobed, other segments united by a large wing, middle pinnae shortly petiolate or subsessile, deeply pinnatly divided, apical deltoid, divided into round, oval , entire segments; rhachis blackish; costa black, shiny, often with short hairs; veinlets forming several rows of areols without included veinlets. Sori in several rows; mostly indusiate.

Notes

Derivation

camerooniana: this fern was first discovered in the Cameroon Mountains by G. Mann.

Habitat

On ground in forest, c. 1000m.

Distribution worldwide

See African distribution.

Distribution in Africa

Cameroon, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko).

Growth form

Terrestrial.

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 194.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3. Flore du Cameroun, Pages 290 - 291.
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