Potamogeton pusillus L.

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
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.
Notes:
Derivation of specific name: pusillus: insignificant, small, weak
Habitat: Slow-flowing waters, 30-60 cm deep, sometimes lightly brackish. Also often in disturbed places, such as ditches, ponds and reservoirs.
Altitude range: (metres) 600 - 1750 m
Flowering time:
Worldwide distribution: Widespread in Africa, Europe, temperate Asia and North America. Less common in tropical America and Asia.
Zimbabwe distribution: W,C,E
Growth form(s): Aquatic.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Saturday 14 April 2007
Literature:

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.


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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 Zambia: Potamogeton pusillus

External websites:

African Plant Database: Potamogeton pusillus
Biodiversity Explorer (Biodiversity of southern Africa): Potamogeton pusillus
EOL (Encyclopedia of Life): Potamogeton pusillus
ePIC (electronic Plant Information Center): Potamogeton pusillus
Flora Zambesiaca web site: Potamogeton pusillus
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Potamogeton pusillus
IPNI (International Plant Names Index): Potamogeton pusillus
Ispot Southern Africa : Potamogeton pusillus
JSTOR Plant Science: Potamogeton pusillus
Kew Herbarium catalogue: Potamogeton pusillus
Kew Monocotyledon checklist: Potamogeton pusillus
Tropicos: Potamogeton pusillus
West African Plants database: Potamogeton pusillus


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Potamogeton pusillus.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=103080, retrieved 24 May 2016

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