Pterodiscus speciosus Hook.

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Pterodiscus speciosus

Photo: Bart Wursten

Pterodiscus speciosus

Photo: Bart Wursten

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Synonyms: Harpagophytum pinnatifidum Engl.
Common names:
Status: Native
Perennial herb up to 20 cm high with a short woody stem growing from a pyriform tuber. Leaves lanceolate, up to 6 cm long, usually pinnatilobed and with 5 pairs of lateral veins. Flowers red-purple with a cylindric tube 25-50 mm long, limb 30-45 mm in diameter; lobes with darker stripes leading to the dark red throat; lower lobe enlarged. Fruit ovate to rotund, 4-winged, 18-22 mm long, without a beak.
Derivation of specific name: speciosa: showy, good-looking.
Habitat: In alluvial soil in grassland.
Flowering time:
Worldwide distribution: Botswana and South Africa.
Botswana distribution: SE
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Sunday 17 July 2016

Ihlenfeldt, H.-D. (1988). Pedaliaceae Flora Zambesiaca 8(3) Pages 93 - 94. (Includes a picture).

Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 288. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 92.

Other sources of information about Pterodiscus speciosus:

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-22

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2022). Flora of Botswana: Species information: Pterodiscus speciosus., retrieved 14 August 2022

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