Salviniaceae

Salvinia Ség.

Photo: P. Ballings
Zimbabwe

 

Description of the genus

Free-floating aquatic plants. Rhizome roots absent. Leaves dimorphic, borne in whorls of three, consisting of 2 simple floating leaves and a strongly branched submerged leaf; veins anastomosing. Sporangia in thin-walled sporocarps on submerged leaves.

 

Derivation of name:  salvinia: named after Antonio Salvini (1653-1729)

Worldwide: c. 10 species in tropical and warm temperate zones

 

 

We have 5 taxa in the database for Salvinia.

  • Salvinia hastata Desv.
  • Salvinia molesta D.S.Mitch.
  • Salvinia natans (L.) All.
  • Salvinia nymphellula Desv.
  • Salvinia rotundifolia Willd.
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    Literature

  • Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide. Struik Nature.
  • Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria.
  • Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report, 13: 1-222.
  • Schelpe, E.A.C.L.E. (1970) Pteridophyta. Flora Zambesiaca, 0: 1-254.
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