Lagarosiphon ilicifolius Oberm.

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Lagarosiphon ilicifolius

Zambezi main channel, downstream of Chirundu
Jun 2010
Photo: M.P.Kennedy

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Synonyms: Hydrilla verticillata sensu Gibbs
Lagarosiphon muscoides Harv. var. major sensu Schinz
Common names:
Status: Native
Stems robust, 1.2 - 3 mm in diameter; leaves 4.5-13.5 × 2-3.7 mm, alternate, occasionally subopposite or even whorled, mostly recurved, thick, opaque; apex acute. Epidermal cells mainly equal-sided; margins with outer row almost translucent, without sclerenchyma fibres, each side with 12-48 teeth; leaf teeth long, sharp, spreading or recurved on broad triangular protuberances; central area narrow, without septa or sclerenchyma fibres. Male inflorescence a spathe with up to 30 flower buds; spathe valves ovate, pale violet or pinkish. Female inflorescence with ovate to narrowly ovate spathe valves; female flower with pale lilac perianth. Capsule ovoid to narrowly ovoid, tapered above.
Type location:
Derivation of specific name: ilicifolius: with leaves like an Ilex (holly)
Habitat: Lakes, dams, ponds and rivers, in water up to 3 m deep.
Altitude range:
Flowering time:
Worldwide distribution: Most common in the Zambezian region, namely Angola, DRC, Namibia, Botswana, Zambia and Zimbabwe.
Zambian distribution (Flora Zambesiaca): B,N,S
Zambian distribution (Provinces): N,S,W
Growth form(s): Aquatic.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

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 91.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 124.

Symoens, J.J. (2009). Hydrocharitaceae Flora Zambesiaca 12(2) Pages 25 - 27. (Includes a picture).

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 185.

Other sources of information about Lagarosiphon ilicifolius:

Our websites:

Flora of Botswana: Lagarosiphon ilicifolius
Flora of Caprivi: Lagarosiphon ilicifolius
Flora of Zimbabwe: Lagarosiphon ilicifolius

External websites:

African Plants: A Photo Guide (Senckenberg): Lagarosiphon ilicifolius
African Plant Database: Lagarosiphon ilicifolius
BHL (Biodiversity Heritage Library): Lagarosiphon ilicifolius
EOL (Encyclopedia of Life): Lagarosiphon ilicifolius
ePIC (electronic Plant Information Center): Lagarosiphon ilicifolius
Flora Zambesiaca web site: Lagarosiphon ilicifolius
GBIF (Global Biodiversity Information Facility): Lagarosiphon ilicifolius
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Lagarosiphon ilicifolius
iNaturalist: Lagarosiphon ilicifolius
IPNI (International Plant Names Index): Lagarosiphon ilicifolius
JSTOR Plant Science: Lagarosiphon ilicifolius
Kew Herbarium catalogue: Lagarosiphon ilicifolius
Kew Monocotyledon checklist: Lagarosiphon ilicifolius
Mansfeld World Database of Agricultural and Horticultural Crops: Lagarosiphon ilicifolius
Plants of the World Online: Lagarosiphon ilicifolius
Tropicos: Lagarosiphon ilicifolius
Wikipedia: Lagarosiphon ilicifolius

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Species information: Lagarosiphon ilicifolius., retrieved 9 February 2023

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