203.100 Marsilea L. - Water clover or clover fern.
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 genus
The plants mostly look like swamp-grown four-leaved clover!
Fronds with 4 leaflets,
arranged symmetrically crosswise at the apex of a stipe, floating in submerged plants.
Leaflets herbaceous, obtriangular to obovate.
Sori numerous on a gelatinous string-like receptacle attached to the wall of the sporocarp. Sporocarps stalked, borne singly or many together on petioles arising at or near the base of the stipe.
The identification of species of Marsilea on vegetative characters is impossible, mature sporocarps are essential for accurate naming. Derivation of name: marsilea: named after Count Luigi Fernandino Marsigli of Bologna (1658-1730), naturalist. Worldwide: ± 70 species, near cosmopolitan distribution. Mozambique: 7 taxa. |
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MarsileaExternal websites:
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Marsilea
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-23
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.
(2023).
Flora of Mozambique: Genus page: Marsilea. https://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=87, retrieved 1 April 2023
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