Potamogeton octandrus Poir.

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
Herb, 20-100 cm high, from a creeping rhizome. Stipular sheaths small, convolute, soon decaying. Leaves dimorphic: submerged leaves 30-70 × 1-3 mm, linear to narrowly linear-lanceolate, alternate, translucent; apex acute or acuminate; the area between midrib and lateral nerves consisting of lacunar tissue; floating leaves up to 20 × 5 mm, lanceolate to oblong-lanceolate, with a petiole 1 cm, opposite, just below the flower spikes, not translucent, apple-green. Spikes longer than leaves; flowers usually 2 per whorl, with 3-7 whorls per spike. Drupe 2 mm, rounded to oblong in outline, tapering to base; beak relatively long, upturned.
Notes:
Derivation of specific name:
Habitat: Ponds, lakes, backwaters, swamps, rice fields and flowing waters, 0.6-2 m deep.
Altitude range: (metres) Up to 1800 m
Flowering time:
Worldwide distribution: Widespread in tropical Africa, Gauteng and KwaZulu-Natal, South Africa, Madagascar, South and East Asia, New Guinea and Australia.
Zimbabwe distribution: N,W,C,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
Images last updated: Saturday 14 April 2007
Literature:

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 86 - 87.


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Other sources of information about Potamogeton octandrus:

Our websites:

Flora of Botswana: Potamogeton octandrus
Flora of Caprivi: Potamogeton octandrus
Flora of Malawi: Potamogeton octandrus
Flora of Mozambique: Potamogeton octandrus
Flora of Zambia: Potamogeton octandrus

External websites:

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


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 octandrus.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=103070, retrieved 27 July 2016

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