Potamogeton octandrus Poir.

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Common names:
Status: Native
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.
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

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 28 October 2016

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