Ptisana - Marattiaceae

Ptisana fraxinea (Sm.) Murdock var. salicifolia (Schrad.) Murdock

Photo: P. Ballings
Zimbabwe

Photo: P. Ballings
Zimbabwe

Photo: P. Ballings
Zimbabwe

Photo: P. Ballings
Zimbabwe

Photo: D. Gwynne-Evans
Mozambique

Photo: D. Gwynne-Evans
Mozambique

Photo: P. Ballings
Zimbabwe

 

 

 

 

Synonyms

Marattia salicifolia Schrad.
Marattia natalensis C. Presl
Marattia dregeana C. Presl
Marattia fraxinea sensu Sim
Marattia fraxinea Sm. ex J.F.Gmel. var. salicifolia (Schrad.) C.Chr.

Common name

Description

Rhizome massive, forming an upright caudex. Stipe up to 1 m long, fleshy, light green, base swollen and flanked by a pair of thick stipules. Lamina 1-3 × 0.5-1.5 m, bipinnate, ovate in outline. Pinnules glabrous, narrowly oblong-lanceolate in outline, margin sharply toothed, apex attenuate base unequally cuneate, venation prominent below. Synangia very distinctive, capsular with linear opening, situated singly towards the end of each vein, c. 2 × 1 mm.

Notes

Derivation

fraxinea: resembling the genus Fraxinus;
salicifolia: with leaves like a Salix (a willow).

Habitat

Along streams in deeply shaded evergreen forest

Distribution worldwide

Malawi, Mozambique, Swaziland, S Africa, Zambia, Zimbabwe. Also in tropical Africa.

Distribution in Africa

Angola, Burundi, Cameroon, Central African Republic, Congo, Democratic Republic of Congo, Equatorial Guinea (incl. Bioko), Ethiopia, Gabon, Ghana, Guinea, Ivory Coast, Kenya, Liberia, Malawi, Mozambique, Nigeria, Rwanda, Sierra Leone, Sudan and South Sudan, Swaziland, Tanzania , Zimbabwe.

Growth form

Terrestrial.

Literature

  • Burrows, J.E. (1990) Southern African Ferns and Fern Allies. Frandsen, Sandton. Page 49. (Includes a picture).
  • Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide. Struik Nature. Pages 138 - 139.
  • Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria. Pages 166 - 168. (Includes a picture).
  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report, 13 Page 35. (Includes a picture).
  • Roux, J.P. (2009) Synopsis of the Lycopodiophyta and Pteridophyta of Africa, Madagascar and neighbouring islands. Strelitzia 23, South African National Biodiversity Institute, Pretoria. Pages 31 - 32.
  • Schelpe, E.A.C.L.E. (1970) Pteridophyta. Flora Zambesiaca, 0 Pages 38 - 40. (Includes a picture).
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