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

Zimbabwe: 2 genera and 4 taxa.

Azolla filiculoides

Links to 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

External websites:

GRIN (Germplasm Resources Information Network) taxonomy for plants report for Salviniaceae
Google: Web - Images - Scholar

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Family page: Salviniaceae., retrieved 24 October 2016

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