Potamogeton nodosus Poir.

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Potamogeton nodosus

Picture: Bart Wursten
Small dam in forest off the Woodland Rd, Vumba

Potamogeton nodosus

Picture: Bart Wursten
Small dam in forest off the Woodland Rd, Vumba

Potamogeton nodosus

Picture: Bart Wursten
Small dam in forest off the Woodland Rd, Vumba

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Synonyms: Potamogeton fluitans sensu auct.
Common names:
Status: Native
Herb, with stems to 1 m, arising from a woody rhizome. Stipules variable in size (up to 6 cm), open, convolute, membranous, lower amplexicaul, upper spreading, ovate, acuminate. Upper leaves floating and sometimes aerial on mud, submerged ones often soon decaying; all leaves petiolate. Submerged leaves: 8-20 × 0.8-1.6 cm, linear to linear-lanceolate, thin, tapering to apex; floating leaves: 5(-8) × 2.5(-3.5) cm, elliptic to ovate, coriaceous; apex rounded to acute; leaves intermediate between the two forms occur. Leaves of land forms usually smaller. Spikes on ± swollen, arcuate scapes, many-flowered. Drupe c.4 mm, rounded, flattened; beak short.
Type location:
Canary Islands
Derivation of specific name:
Altitude range:
Flowering time:Sep - Apr
Worldwide distribution: Widespread in Africa, Madagascar, Indian Ocean islands, Europe, Asia, and North and Central America.
Zambian distribution (Flora Zambesiaca): B,N,C
Zambian distribution (Provinces): N,C,W
Growth form(s): Aquatic.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 29. As Potamogeton thunbergii

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 191. (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 112. as Potamogeton thunbergii

Pooley, E. (1998). A Field Guide to the Wild Flowers of KwaZulu-Natal and the Eastern Region. Natal Flora Publications Trust. Durban. Pages 502 - 503. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 148. as Potamogeton thunbergii

Symoens, J.J. (2009). Potamogetonaceae Flora Zambesiaca 12(2) Pages 89 - 90.

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 193. as Potamogeton thunbergii

Other sources of information about Potamogeton nodosus:

Our websites:

Flora of Botswana: Potamogeton nodosus
Flora of Caprivi: Potamogeton nodosus
Flora of Caprivi: cultivated Potamogeton nodosus
Flora of Zimbabwe: Potamogeton nodosus

External websites:

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

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: Potamogeton nodosus.
https://www.zambiaflora.com/speciesdata/species.php?species_id=103100, retrieved 24 April 2024

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