Nymphoides forbesiana (Griseb.) Kuntze

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Photo: Bart Wursten
Area near Cloud Pool, Gorongosa National Park.

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Synonyms:	Limnanthemum forbesianum Limnanthemum forbesianum Griseb. p.p. Limnanthemum kirkii N.E. Br. Limnanthemum niloticum Kotschy & Peyr. Limnanthemum thunbergianum sensu N.E. Br. p.p. Limnanthemum whytei N.E. Br.
Common names:
Frequency:
Status:	Native
Description:	Perennial or sometimes annual aquatic herb with; floating stolons 1–3 mm thick. Leaves subcircular with a deep narrow sinus, c. 12 cm in diameter; petiole 0.5–1 cm long, rarely up to 3 cm. Flowers 10–20 on pedicels 3–6 cm long. Calyx 3–4 mm long, spreading at flowering time. Corolla golden yellow, 10–15 mm long with tube 3–3.5 mm long and lobes 6–7 mm long. Capsule ovoid, c. 5.7 mm wide, slightly longer than the calyx, up to 12 seeded.
Notes:	This species is very similar to N. thunbergiana. It can be distinguished by the golden yellow flowers with a shorter tube but longer corolla lobes, more freely produced stolons and echinulate to tuberculate seeds.
Derivation of specific name:	forbesiana: named after John Forbes (1799-1823), an English plant collector and naturalist. As representative of the Horticultural Society of London he visited the Cape in 1822. He died on the Zambezi River in Mozambique the following yea
Habitat:	In ponds and rivers.
Flowering time:
Worldwide distribution:	Widespread in tropical Africa and South Africa.
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
Content last updated:	Sunday 15 October 2017
Literature:	Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 88. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 297. (Includes a picture). Mackinder, B. (1990). Menyanthaceae Flora Zambesiaca 7(4) Pages 54 - 55. 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 62. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 79. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 86.

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Flora of Burundi: Nymphoides forbesiana
Flora of Mozambique: Nymphoides forbesiana
Flora of Zambia: Nymphoides forbesiana
Flora of Zimbabwe: Nymphoides forbesiana

External websites:

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