Acacia senegal (L.) Willd.
var. leiorhachis Brenan

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Acacia senegal var. leiorhachis

Photo: Rob Burrett

Acacia senegal var. leiorhachis

Photo: Rob Burrett

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Synonyms: Senegalia senegal (L.) Britton var. leiorhachis (Brenan) Kyal. & Boatwr.
Common names: Slender three-thorned acacia (English) Three-thorned acacia (English)
Status: Native
Slender tree with long erect, straggly branches. Hooked prickles in threes at the nodes; lateral prickles pointing down, the middle one pointing upwards. Leaves up 6 × 6 cm with 3-5 pairs of pinnae, bearing grey-green leaflets. Flowers in axillary spikes, white, appearing before the leaves. Pod linear-oblong, up to 9 × 2 cm, mostly straight, flat, papery to somewhat leathery, rounded or pointed at the apex but not distinctly beaked, pale brown, dehiscent. See A. senegal var. rostrata for comparison.
Notes: Note: Although presently only distinguished at varietal level, the differences between var. leiorhachis and var. rostrata, in flowers and fruits as well as in general habit and habitat preference, render these taxa as distinct as most full species.
Derivation of specific name: senegal: of Senegal, where the type was collected; leiorhachis: with a smooth rhachis, probably referring to the axis of the inflorescence.
Habitat: Occurring on gravelly soils in deciduous scrub.
Altitude range: (metres) Up to 900 m
Flowering time:Jun - Sep
Worldwide distribution: Ethiopia to Botswana and northern South Africa.
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 22 July 2009

Brenan, J.P.M. (1970). Mimosoideae Flora Zambesiaca 3(1) Page 80.

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.

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 116 - 118. (Includes a picture).


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Other sources of information about Acacia senegal var. leiorhachis:

Our websites:

Flora of Botswana: Acacia senegal var. leiorhachis
Flora of Mozambique: Acacia senegal var. leiorhachis
Flora of Zambia: Acacia senegal var. leiorhachis

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Zimbabwe: Species information: Acacia senegal var. leiorhachis., retrieved 17 January 2017

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