Pteridophyta: Salviniales

Salviniaceae - Kariba weed family

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

Schelpe, E.A.C.L.E. (1970) Pteridophyta Flora Zambesiaca

Description of the family

Free-floating aquatic plants. Rhizome slender, branched, roots absent or simple, borne singly or in fascicles. Leaves either dimorphic, borne in whorls of three (Salvinia) or alternate in 2 rows ( Azolla); veins free or anastomosing. Sporangia in thin-walled sporocarps on submerged leaves or in axils of submerged lobes; heterosporous.

Worldwide: 2 genera and c. 16 species, mostly tropical

Caprivi: 2 cultivated genera and 3 cultivated taxa.

Azolla pinnata subsp. africana

Links to cultivated genera:     View: living plant images - herbarium specimen images - all images for this family

Azolla Lam.Description, Image
Salvinia Ség.Description, Image

Other sources of information about Salviniaceae:

Our websites:

Flora of Botswana: Salviniaceae
Flora of Caprivi: Salviniaceae
Flora of Malawi: Salviniaceae
Flora of Mozambique: Salviniaceae
Flora of Zambia: Salviniaceae
Flora of Zimbabwe: Salviniaceae

External websites:

African Plants: A Photo Guide (Senckenberg): Salviniaceae
BHL (Biodiversity Heritage Library): Salviniaceae
EOL (Encyclopedia of Life): Salviniaceae
GBIF (Global Biodiversity Information Facility): Salviniaceae
Google: Web - Images - Scholar
iNaturalist: Salviniaceae
IPNI (International Plant Names Index): Salviniaceae
JSTOR Plant Science: Salviniaceae
Mansfeld World Database of Agricultural and Horticultural Crops: Salviniaceae
Wikipedia: Salviniaceae
Plants of the World Online: Salviniaceae
Tropicos: Salviniaceae

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Caprivi: Cultivated plants: Family page: Salviniaceae., retrieved 19 June 2024

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