Diplazium - Woodsiaceae

Diplazium sammatii (Kuhn) C.Chr.

Photo: C. Jongkind
Guinea

Photo: C. Jongkind
Guinea

 

 

 

 

Synonyms

Asplenium sammatii Kuhn
Athyrium sammatii (Kuhn) Tardieu
Asplenium ottonis Kuhn
Asplenium crenato-serratum J.Bommer ex H.Christ

Common name

Description

Rhizome erect; rhizome scales lanceolate in outline, formed of dark-walled cells, edges with curved extensions. Fronds monomorphic, tufted, subcoraceous. Stipe 15-30 cm long, thick, blackish at the base and bearing scales, reddish above, quadrangular. Lamina pinnate, lanceolate in outline, 40-50 x 25-30 cm; pinnae 13-15 x 2-2.5 cm, subsessile or shortly stalked, apex long tapering, base subequal base, truncated, margin serrulate, with sharp teeth; veins two or threeforked. Sori sori elongated, diplazioid, almost all of the same thickness, starting near the costa and almost reaching the margin; indusium brown, slim.

Notes

Derivation

Habitat

Shaded forest, on banks of stream and marshes at low altitude.

Distribution worldwide

See African distribution.

Distribution in Africa

Benin, Cameroon, Central African Republic, Congo, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Gabon, Ghana, Guinea, Ivory Coast, Liberia, Nigeria, Sudan and South Sudan.

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 218.
  • Tardieu-Blot, M.-L. (1964) Ptéridophytes vol.3. Flore du Cameroun, Pages 233 - 234. (Includes a picture).
  • Thardieu-Blot, M.L. (1964) Ptéridophytes vol.8. Flore du Gabon, Pages 145 - 146. (Includes a picture).
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