Potamogeton pusillus L.

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Common names:
Status: Native
Submerged herb, with stems up to 1 m. Rhizome 0 or poorly developed. Stipular sheaths 6-17 mm, tubular, splitting later. Leaves c.20-40 × 1-2 mm, linear, all submerged, firm and translucent; apex obtuse, with 2 lateral longitudinal veins joining the midrib abruptly near the tip at unequal heights. Lacunar system 0 or sometimes a very narrow dense band flanking the midrib. Spikes usually shorter than leaves; flowers 2-4 per whorl with up to 4 whorls per spike. Drupe 2-2.5 mm, obovoid, smooth; beak short and straight.
Type location:
Derivation of specific name: pusillus: insignificant, small, weak
Altitude range:
Flowering time:
Worldwide distribution: Widespread in Africa, Europe, temperate Asia and North America. Less common in tropical America and Asia.
Zambian distribution (Flora Zambesiaca): S
Zambian distribution (Provinces): S
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.

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.

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.

Symoens, J.J. (2009). Potamogetonaceae Flora Zambesiaca 12(2) Pages 83 - 84.

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.

Other sources of information about Potamogeton pusillus:

Our websites:

Flora of Botswana: Potamogeton pusillus
Flora of Caprivi: Potamogeton pusillus
Flora of Malawi: Potamogeton pusillus
Flora of Mozambique: Potamogeton pusillus
Flora of Zimbabwe: Potamogeton pusillus

External websites:

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

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 pusillus.
https://www.zambiaflora.com/speciesdata/species.php?species_id=103080, retrieved 24 May 2024

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