204.400 Azolla Lam.
Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011)
Ferns of Southern Africa, A comprehensive guide Struik Nature
Henderson, L. (2001)
Alien weeds and invasive plants Plant Protection Research Institute Handbook No. 12. Plant Protection Research Institute, Agricultural Research Council, South Africa.
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 genus
Free-floating aquatic plants; rhizomes slender, roots simple. Leaves alternate in 2 rows, equally lobed with submerged lobe containing cavities with cyanobacteria and a chlorophyllous floating lobe, veins free. Sori in sporocarps borne in axils of submerged lobes.
Derivation of name: azo: dry, ollyo: to kill; plants are killed by drought Comment: Some authors place the genus Azolla within the family of the Azollaceae. Recent literature (Roux 2009, Crouch 2011) however include the genus Azolla within the Salviniaceae.
Worldwide: c.6 species in tropical and warm areas, introduced in many ares Zimbabwe: 3 taxa. |
|
Species | FZ divisions | Content |
filiculoides Lam. | N,C,E | Description, Image |
nilotica Decne. ex Mett. | N,W | Description, Image |
pinnata R. Br. subsp. africana (Desv.) R.M.K. Saunders & K. Fowler | N,W | Description, Image |
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Azolla
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.
(2024).
Flora of Zimbabwe: Genus page: Azolla. https://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=89, retrieved 5 November 2024
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