Tragia okanyua Pax

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Tragia okanyua

Photo: Bart Wursten
By main Harare to Bulawayo Rd, south of Kwekwe

Tragia okanyua

Photo: Bart Wursten
By main Harare to Bulawayo Rd, south of Kwekwe

Tragia okanyua

Photo: Bart Wursten
By main Harare to Bulawayo Rd, south of Kwekwe

Tragia okanyua

Photo: Bart Wursten
By main Harare to Bulawayo Rd, south of Kwekwe

Tragia okanyua

Photo: Bart Wursten
By main Harare to Bulawayo Rd, south of Kwekwe

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms: Tragia angustifolia sensu Engl.
Tragia cordifolia sensu N.E. Br.
Tragia madandensis S. Moore
Common names:
Frequency:
Status: Native
Description:
Climbing perennial herb with stinging hairs. Stems twining or erect when young, up to 3 m long, growing from a woody rootstock, more or less densely hairy. Leaves ovate-lanceolate to oblong-lanceolate, up to c. 14 cm long, widely cordate at the 5-7-veined base, usually 2 rounded lobes, sparsely hairy to almost hairless on both surfaces, bristly on the midrib and veins below; margin dentate. Inflorescences terminal or leaf-opposed, up to 14 cm long on a peduncle up to 10 cm long. Flowers unisexual on the same inflorescence. Calyx of the female flowers densely covered in stiff hairs, consisting of 6 linear lobes; each lobe palmately divided into 9-13 linear lobes again (image 6). Fruit 3-lobed, c. 5 × 9 mm, smooth, yellow-green with rough hairs on the ribs of the lobes.
Notes: See the similar T. kirkiana for comparison.
Derivation of specific name:
Habitat: In riverine fringes, on rocky outcrops, in mopane and miombo woodland; also on Kalahari sand.
Altitude range: (metres) Up to 1350 m
Flowering time:
Worldwide distribution: Angola, Botswana, Namibia, Tanzania, Malawi, Mozambique, Zambia, Zimbabwe, and Mpumalanga, South Africa.
Zimbabwe distribution: N,W,C,E,S
Growth form(s): Climber.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Thursday 29 January 2009
Literature:

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 95. (Includes a picture).

Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 63. (Includes a picture).

Radcliffe-Smith, A. (1996). Euphorbiaceae Flora Zambesiaca 9(4) Pages 228 - 229.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 58.

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 208.


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Other sources of information about Tragia okanyua:

Our websites:

Flora of Botswana: Tragia okanyua
Flora of Caprivi: Tragia okanyua
Flora of Mozambique: Tragia okanyua
Flora of Zambia: Tragia okanyua

External websites:

African Plant Database: Tragia okanyua
Biodiversity Explorer (Biodiversity of southern Africa): Tragia okanyua
EOL (Encyclopedia of Life): Tragia okanyua
ePIC (electronic Plant Information Center): Tragia okanyua
Flora Zambesiaca web site: Tragia okanyua
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Tragia okanyua
IPNI (International Plant Names Index): Tragia okanyua
Ispot Southern Africa : Tragia okanyua
JSTOR Plant Science: Tragia okanyua
Kew Herbarium catalogue: Tragia okanyua
Tropicos: Tragia okanyua
West African Plants database: Tragia okanyua


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Tragia okanyua.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=135260, retrieved 28 May 2016

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