5473.000 Rotala L.

Clarke, H. & Charters, M. (ed. Moll, E.) (2016) The Illustrated Dictionary of Southern African Plant Names Jacana Media, South Africa

Leistner, O.A. (ed.) (2000) Seed plants of southern Africa: families and genera Strelitzia 10

Description of the genus

Annual, or rarely perennial herbs, stems terete or quadrangular. Leaves opposite-decussate or verticillate, rarely alternate. Flowers small, usually solitary and subsessile in leaf axils, occasionally aggregate into racemes or spikes. Calyx 4-6-lobed; lobes often alternating with horned appendages; nectaries often present at the base of the tube. Petals as many as calyx lobes or 0. Fruit capsule with 2-4 valves. Seeds small with mucilaginous hairs.

Derivation of name: From the Latin rotalis meaning wheel-like, referring to the whorled leaves.

Worldwide: 40 species, 8 in southern Africa.

Botswana: 7 taxa.

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Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
capensis (Harv.) A. Fern. & Diniz
dinteri Koehne
filiformis (Bellardi) Hiern
fluitans Pohnert
longistyla Gibbs
myriophylloides Welw. ex HiernDescription, Image
tenella (Guill. & Perr.) Hiern

Other sources of information about Rotala:

Our websites:

Flora of Caprivi: Rotala
Flora of Caprivi: cultivated Rotala
Flora of Malawi: Rotala
Flora of Mozambique: Rotala
Flora of Zambia: Rotala
Flora of Zimbabwe: Rotala

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Botswana: Genus page: Rotala.
https://www.botswanaflora.com/speciesdata/genus.php?genus_id=1001, retrieved 14 June 2024

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