African Plant Database

Acacia karroo Hayne
Family : Mimosaceae
Protologue : Getreue Darstell. Gew. 10: pl. 33 (1827)
Information on the genus : Acacia
Status for NA : accepted (naturalised-introduced)
Status for SA : accepted (present)
Status for TA : accepted (present)
Synonym(s) Homotypic
 Vachellia karoo (Hayne) Banfi & Galasso (2008)
Synonym(s) Heterotypic
=Mimosa capensis Burm. f.
=*Acacia capensis (Burm. f.) Burch.
=Mimosa leucacantha Jacq.
=*Mimosa nilotica auct. sensu Burm.f., et sensu Thunb., in Fl. Cap. ed. Schult. (1823), non L.
=Mimosa eburnea auct. sensu Bojer, non L.
=Acacia reticulata (L.) Willd.
=*Mimosa reticulata L.
=Acacia hirtella E. Mey. (1835)
=Acacia hirtella var. inermis Walp.
=Acacia horrida var. transvaalensis Burtt Davy
=Acacia karroo var. transvaalensis (Burtt Davy) Burtt Davy
=Acacia inconflagrabilis Gerstner (1948)
=Acacia dekindtiana A. Chev. (1947)
=Acacia robusta auct. sensu Oliv. p.p.
=Acacia seyal auct. sensu Sim
=Acacia horrida auct. sensu Sim (1909), non (L.) Willd.
Ecology and distribution
Trop. Afr.
Biology : Several-stemmed shrub (rarely), or tree 3-8-17(-22) m tall; trunk 20-30(-70) cm Ø; crown rounded or flattened; somestimes a very slender, spindle-like tree, sparsely branched;
  see more in the book
Ecology : In a diverse range of habitats; woodland, wooded grassland, coastal scrub; seashore (island on Mozambique's coastline - ? perhaps another species); often by rivers and in valleys; on clay and loamy soils; etc...
  Very variable; variation regional.
  Namibia, S. Africa, Botswana, Swaziland. - Introduced into Australia where it is becoming a noxious weed (Paynter & al., Austral. Syst. Bot.16: 81-88,2003).
  ARCHIBALD, S. & W. J. BOND (2003). Growing tall us growing wide: tree architecture and allometry of Acacia karroo in forest, savanna, and arid environments. Oikos 102: 3-14. [see more in the book]
  Closely related to A. seyal , its ecological counterpart further north. One of the commonest and most useful acacias in its range. One of the fastest growing species but not long-lived. Tolerant of severe frosts. [see more in the book]

Bibliography for Southern Africa :
  • Bothalia 3: 236 (1937).
  • Fl. Pl. South Africa 31: t.1220 (1956).
  • Mem. Bot. Surv. South Africa : 568 (1966).
  • Fl. S. Africa 16[1]: 71 (1975).
  • Fl. S. Africa 16[1]: 29 (1975).
  • Gen. Gram. : 241 (1986).
  • Food plants of Zimbabwe : 81-82 (1986).
  • Wild Flrs north. South Africa : 169 (1997).

Bibliography for North Africa :
  • Fl. Eur. 2: 84 (1968).
  • ALI, S. I., S. M. H. JAFRI & A. EL GADI (ed.) (1978). Flora of Libya. 60: 7
  • Med-Checklist 4: 2 (1989).
  • Fl. Iberica 7: 14 (1999).
  • FENNANE, M. & M. IBN TATTOU (2005). Flore vasculaire du Maroc. Inventaire et chorologie [1]. Trav. Inst. Sci. Univ. Mohammed V, Sér. Bot. 37: 183
  • FENNANE, M., M. IBN TATTOU, A. OUYAHYA & J. EL OUALIDI (éd.) (2007). Flore Pratique du Maroc [vol.2] Trav. Inst. Sci. Univ. Mohammed V, Sér. Bot. 2: 37
  • BOULOS, L. & E. LE FLOC'H (2008). Flore de Tunisie : catalogue synonymique commenté
  • BOULOS, L. & E. LE FLOC'H (2008). Flore de Tunisie : catalogue synonymique commenté
More info on :
see under Jstor_African Plant Initiative
see under The Euro-Mediterranean Plant Base
see under Namibia photo from Kyffhauser
see under Flora of Mozambique
see under African Plants - a Photo Guide
see under Teline: Biodiversité végétale du sud-ouest marocain
see under Flora of Zimbabwe
see under Herbarium, North Africa MPU
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Record n°67214
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