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Potamogeton nodosus
Selected images: Click on each image to see a larger version and details of the record View all images (3)
Photo: Bart Wursten
Small dam in forest off the Woodland Rd, Vumba
Photo: Bart Wursten
Small dam in forest off the Woodland Rd, Vumba
Photo: Bart Wursten
Small dam in forest off the Woodland Rd, Vumba
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Potamogeton fluitans sensu auct. |
| Common names: | Broad-leaved pondweed (English) |
| Frequency: | |
| Status: | Native |
| Description: |
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. |
| Notes: | |
| Derivation of specific name: | |
| Habitat: | |
| Flowering time: | Sep - Apr |
| Worldwide distribution: | Widespread in Africa, Madagascar, Indian Ocean islands, Europe, Asia, and North and Central America. |
| Botswana distribution: | N |
| Growth form(s): | Aquatic. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
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 Burundi: Potamogeton nodosusFlora of Caprivi: Potamogeton nodosus
Flora of Zambia: Potamogeton nodosus
Flora of Zimbabwe: Potamogeton nodosus
External websites:
African Plants: A Photo Guide (Senckenberg): Potamogeton nodosusAfrican 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
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