Spirodela polyrrhiza (L.) Schleid.

We have few details about this taxon; if you can provide any information, photos or reliable records, please contact one of the site authors. Email addresses are given on the home page.

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Synonyms: Lemna polyrrhiza L.
Common names:
Status: Native
Type location:
Not known, probably from Europe
Derivation of specific name: polyrhiza: with many roots
Habitat: In lakes and larger dams, sometimes among reeds.
Altitude range: Up to 1300 m
Flowering time:
Worldwide distribution: Almost worldwide except for parts of eastern and southern South Americ, New Zealand and some other islands.
Zambian distribution (Flora Zambesiaca): C,E,S
Zambian distribution (Provinces): N,Mc,E,S
Growth form(s): Aquatic.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Daubs, E.H. (1965). A Monograph of Lemnaceae Illinois Biological Monographs 34 The University of Illinois Press, Urbana. Pages 10 - 13. (Includes a picture).

Gibbs Russell, G.E. (1977). Keys to Vascular Aquatic Plants in Rhodesia Kirkia 10(2) Page 462.

Haigh, A. & Boyce, P. (2012). Araceae Flora Zambesiaca 12(1) Pages 4 - 5. (Includes a picture).

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 93.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 105.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 126.

Other sources of information about Spirodela polyrrhiza:

Our websites:

Flora of Botswana: Spirodela polyrrhiza
Flora of Caprivi: cultivated Spirodela polyrrhiza
Flora of Malawi: Spirodela polyrrhiza
Flora of Mozambique: Spirodela polyrrhiza
Flora of Zimbabwe: Spirodela polyrrhiza

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Spirodela polyrrhiza.
https://www.zambiaflora.com/speciesdata/species.php?species_id=112080, retrieved 25 April 2024

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