Acacia tortilis (Forssk.) Hayne
subsp. heteracantha (Burch.) Brenan

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Acacia tortilis subsp. heteracantha

Photo: Bart Wursten
Malilangwe Wildlife Reserve

Acacia tortilis subsp. heteracantha

Photo: Bart Wursten
Malilangwe Wildlife Reserve

Acacia tortilis subsp. heteracantha

Photo: Bart Wursten
Malilangwe Wildlife Reserve

Acacia tortilis subsp. heteracantha

Photo: Bart Wursten
Malilangwe Wildlife Reserve

Acacia tortilis subsp. heteracantha

Photo: Bart Wursten
Hot Springs

Acacia tortilis subsp. heteracantha

Photo: Bart Wursten
By road from Hwange NP to main Vic Falls / Bulawayo Rd, Matetsi Safari Area

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

Synonyms: Acacia heteracantha Burch.
Acacia litakunensis Burch.
Vachellia tortilis (Forssk.) Galasso & Banfi subsp. heteracantha (Burch.) Kyal. & Boatwr.
Common names: Ingoka (Ndebele) Isanqawe (Ndebele) Umbrella thorn (English) Umlaladwayi (Ndebele) Umsasane (Ndebele)
Frequency:
Status: Native
Description:
This species is easily distinguished from other Acacias by the coiled pods and the presence of both long straight thorns and short hooked thorns. Subsp. heteracantha is normally a shrub or small to medium sized tree. It is a smaller, more shrubby tree than subsp. spirocarpa, which has less tightly coiled pods and has more pubescent pods and young branches.
Notes:
Derivation of specific name:
Habitat: Occurring on disturbed or overgrazed ground.
Altitude range: (metres) Up to 1200 m
Flowering time:Oct - Feb
Worldwide distribution:
Zimbabwe distribution: N,W,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Wednesday 5 August 2009
Literature:

Brenan, J.P.M. (1970). Mimosoideae Flora Zambesiaca 3(1) Page 102.

Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 192. (Includes a picture).

Chapano, C., Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 2.

Curtis, B.A. & Mannheimer, C.A. (2005). Tree Atlas of Namibia National Botanic Research Institute, Windhoek Pages 180 - 181. (Includes a picture).

Drummond, R.B. (1972). A list of Rhodesian Legumes. Kirkia 8(2) Page 214.

Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 241.

Mannheimer, C. & Curtis B. (2009). Le Roux and Müller's Field Guide to the Trees and Shrubs of Namibia Macmillan Education, Windhoek, Namibia. Pages 120 - 121. (Includes a picture).

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 44.

Roodt, V. (1998). Trees and Shrubs of the Okavango Delta Shell Field Guide Series: Part I Shell Oil Botswana, Gaberone. Pages 176 - 179. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 60.

Timberlake, J., Fagg, C. & Barnes, R. (1999). Field Guide to the Acacias of Zimbabwe CBC Publishing, Harare Pages 128 - 130. (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 210.


Other sources of information about Acacia tortilis subsp. heteracantha:

Our websites:

Flora of Botswana: Acacia tortilis subsp. heteracantha
Flora of Caprivi: Acacia tortilis subsp. heteracantha
Flora of Mozambique: Acacia tortilis subsp. heteracantha

External websites:

African Plants: A Photo Guide (Senckenberg): Acacia tortilis
African Plant Database: Acacia tortilis
BHL (Biodiversity Heritage Library): Acacia tortilis
EOL (Encyclopedia of Life): Acacia tortilis
ePIC (electronic Plant Information Center): Acacia tortilis
Flora Zambesiaca web site: Acacia tortilis
GBIF (Global Biodiversity Information Facility): Acacia tortilis
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Acacia tortilis
iNaturalist: Acacia tortilis
IPNI (International Plant Names Index): Acacia tortilis
JSTOR Plant Science: Acacia tortilis
Kew Herbarium catalogue: Acacia tortilis
Mansfeld World Database of Agricultural and Horticultural Crops: Acacia tortilis
Plants of the World Online: Acacia tortilis
The Plant List (version 1.1): Acacia tortilis
Tropicos: Acacia tortilis
Wikipedia: Acacia tortilis


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Zimbabwe: Species information: Acacia tortilis subsp. heteracantha.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=126230, retrieved 21 September 2019

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