Vachellia is a genus of in the legume family, Fabaceae, commonly known as thorn trees or acacias. It belongs to the subfamily Mimosoideae. Its species were considered members of genus Acacia until 2009.
The wide-ranging genus occurs in a variety of open, tropical to subtropical habitats, and is locally dominant.
Nomenclature
By 2005, taxonomists had decided that
Acacia sensu lato should be split into at least five separate genera. The ICN dictated that under these circumstances, the name of
Acacia should remain with the original type, which was
Acacia nilotica.
[ However, that year the General Committee of the IBC decided that Acacia should be given a new type ( Acacia verticillatum) so that the ~920 species of Australian acacias would not need to be renamed Racosperma. This decision was opposed by 54.9% or 247 representatives at its 2005 congress, while 45.1% or 203 votes were cast in favor. However, since a 60% vote was required to override the committee, the decision was carried, and a Conserved name propositum was listed in Appendix III (p. 286).]
Description
The members of Vachellia are trees or shrubs, sometimes climbing, and are always armed. Younger plants, especially, are armed with spines which are modified , situated near the leaf bases. Some ( cf. V. tortilis, , V. luederitzii and V. reficiens) are also armed with paired, recurved prickles (in addition to the spines).[
]
File:Vachellia vernicosa.jpg| V. vernicosa, or "viscid acacia", in habitat, Trans-Pecos
File:Vachellia vernicosa inflorescence.jpg| V. vernicosa, detail of inflorescence
Species list
Of the 163 species currently assigned to Vachellia, 52 are native to the Americas, 83 to Africa, Madagascar and the Mascarene Islands, 32 to Asia and 9 to Australia and the Pacific Islands.
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Vachellia abyssinica (Hochst. ex. Benth.) Kyal. & Boatwr.—flat top acacia
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subsp. abyssinica (Hochst. ex. Benth.) Kyal. & Boatwr.
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subsp. calophylla (Brenan) Kyal. & Boatwr.
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Vachellia acuifera (Benth.) Seigler & Ebinger—Bahama acacia, cassip, pork-and-doughboy, ( Bahamas) rosewood
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Vachellia albicortata (Burkart) Seigler & Ebinger
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Vachellia allenii (D. H. Janzen) Seigler & Ebinger—Allen acacia
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Vachellia amythethophylla (Steud. ex A.Rich.) Kyal. & Boatwr.
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Vachellia ancistroclada (Brenan) Kyal. & Boatwr.
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Vachellia anegadensis (Britton) Seigler & Ebinger—Anegada acacia, blackbrush-wattle, pokemeboy
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Vachellia antunesii (Harms) Kyal. & Boatwr.
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Vachellia arenaria (Schinz) Kyal. & Boatwr.—sand acacia
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Vachellia aroma (Gillies ex Hook. & Arn.) Seigler & Ebinger
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var. aroma Gillies ex Hook. & Arn.
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var. huarango Ruíz & J.Macbr.
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Vachellia astringens (Gillies in Hook. et Arn.) Speg.
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Vachellia baessleri Clarke, Siegler & Ebinger
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Vachellia barahonensis (Urb. & Ekman) Seigler & Ebinger
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Vachellia bavazzanoi (Pichi-Sermolli) Kyal. & Boatwr.
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Vachellia belairioides (Urb.) Seigler & Ebinger—Bellair acacia
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Vachellia bellula (Drake) Boatwr.
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Vachellia biaciculata (S. Watson) Seigler & Ebinger
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Vachellia bidwillii (Benth.) Kodela—corkwood wattle, dogwood. "'Waneu', of the aboriginals of Central Queensland; 'Yadthor', of those of the Cloncurry River, Northern Queensland."
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Vachellia bilimekii (J. Macbr.) Seigler & Ebinger
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Vachellia bolei (R.P. Subhedar) Ragupathy, Seigler, Ebinger & Maslin
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Vachellia borleae (Burtt Davy) Kyal. & Boatwr.—sticky acacia, named for the collector Jeanne M. Borle.
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Vachellia brandegeana (I. M. Johnst.) Seigler & Ebinger—Baja California acacia
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Vachellia bravoensis (Isely) Seigler & Ebinger
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Vachellia bricchettiana (Chiov.) Kyal. & Boatwr.
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Vachellia bucheri (Marie-Victorín) Seigler & Ebinger—Bucher acacia
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Vachellia bullockii (Brenan) Kyal. & Boatwr.
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var. bullockii (Brenan) Kyal. & Boatwr.
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var. induta (Brenan) Kyal. & Boatwr.
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Vachellia burttii (Bak. f.) Kyal. & Boatwr.
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Vachellia bussei (Harms ex Sjöstedt) Kyal. & Boatwr.
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Vachellia californica (Brandegee) Seigler & Ebinger
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Vachellia campechiana (Mill.) Seigler & Ebinger—boatthorn acacia, spoon-thorn acacia
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f. campechiana (Mill.) Seigler & Ebinger
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f. houghii (Britton & Rose) Seigler & Ebinger
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Vachellia caurina (Barneby & Zanoni) Seigler & Ebinger
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Vachellia caven (Molina) Seigler & Ebinger
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var. caven (Molina) Seigler & Ebinger
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var. dehiscens (Ciald.) Seigler & Ebinger
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var. microcarpa (Speg.) Seigler & Ebinger
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var. stenocarpa (Speg.) Seigler & Ebinger
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Vachellia cernua (Thulin & Hassan) Kyal. & Boatwr.
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Vachellia chiapensis (Saff.) Seigler & Ebinger—Chiapas acacia
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Vachellia choriophylla (Benth.) Seigler & Ebinger—cinnecord acacia, Florida acacia, ( Bahamas) cinnecord
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Vachellia clarksoniana (Pedley) Kodela
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Vachellia collinsii (Saff.) Seigler & Ebinger—Collins acacia
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Vachellia constricta (Benth.) Seigler & Ebinger—Whitethorn acacia, Mescat acacia
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Vachellia cookii (Saff.) Seigler & Ebinger—Cook acacia, cockspur acacia
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Vachellia cornigera (L.) Seigler & Ebinger—bullhorn wattle, bull's-horn acacia, bull-horn thorn, oxhorn acacia
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Vachellia cucuyo (Barneby & Zanoni) Seigler & Ebinger—Cucuyo acacia
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Vachellia curvifructa (Burkart) Seigler & Ebinger
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Vachellia daemon (Ekman & Urb.) Seigler & Ebinger—Camagüey acacia
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Vachellia davyi (N.E.Br.) Kyal. & Boatwr.—corky-bark acacia
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Vachellia ditricha (Pedley) Kodela
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Vachellia dolichocephala (Harms) Kyal. & Boatwr.
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Vachellia douglasica (Pedley) Kodela
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Vachellia drepanolobium (Harms ex Sjöstedt) P.J.H. Hurter—whistling thorn
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Vachellia dyeri (P.P.Swartz) Kyal. & Boatwr.
[
]
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Vachellia eburnea (L.f.) P. Hurter & Mabb.
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Vachellia ebutsiniorum (P.J.H. Hurter) Kyal. & Boatwr.—Ebutsini acacia
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Vachellia edgeworthii (T.Anders.) Kyal. & Boatwr.
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Vachellia elatior (Brenan) Kyal. & Boatwr.
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subsp. elatior (Brenan) Kyal. & Boatwr.
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subsp. turkanae (Brenan) Kyal. & Boatwr.
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Vachellia erioloba (E.Mey.) P.J.H. Hurter—camel thorn ( Kameeldoring)
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Vachellia erythrophloea (Brenan) Kyal. & Boatwr.
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Vachellia etbaica (Schweinf.) Kyal. & Boatwr.—savannah thorn
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subsp. australis (Brenan) Kyal. & Boatwr.
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subsp. etbaica (Schweinf.) Kyal. & Boatwr.
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subsp. platycarpa (Brenan) Kyal. & Boatwr.
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subsp. uncinata (Brenan) Kyal. & Boatwr.
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Vachellia exuvialis (Verdoorn) Kyal. & Boatwr.—flaky-bark acacia
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Vachellia farnesiana (L.) Wight & Arn.—huisache
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var. farnesiana (L.) Wight & Arn.
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var. guanacastensis (H.D.Clarke et al.) Wight & Arn.
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var. minuta (M.E.Jones) Wight & Arn.
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var. pinetorum (F.J.Herm.) Wight & Arn.—pineland wattle
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Vachellia fischeri (Harms) Kyal. & Boatwr.—flat-topped thorn
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Vachellia flava (Forssk.) Kyal. & Boatwr.
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Vachellia gentlei (Standley) Seigler & Ebinger—gentle acacia
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Vachellia gerrardii (Benth.) P.J.H. Hurter—red acacia
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var. calvescens (Brenan) P.J.H. Hurter
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var. gerrardii (Benth.) P.J.H. Hurter
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var. latisiliqua (Brenan) P.J.H. Hurter
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Vachellia glandulifera (S. Watson) Seigler & Ebinger
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Vachellia globulifera (Saff.) Seigler & Ebinger—globular acacia
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Vachellia grandicornuta (Gerstner) Seigler & Ebinger—horned-thorn acacia
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Vachellia guanacastensis (Clark, Seigler, & Ebinger) Seigler & Ebinger
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Vachellia gummifera (Willd.) Kyal. & Boatwr.—gum-bearing acacia
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Vachellia haematoxylon (Willd.) Seigler & Ebinger—gray camel thorn, giraffe thorn
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Vachellia harmandiana (Pierre) Maslin, Seigler & Ebinger
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Vachellia hebeclada (DC.) Kyal. & Boatwr.—candle-pod acacia
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subsp. chobiensis (O.B.Miller) Kyal. & Boatwr.
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subsp. hebeclada (DC.) Kyal. & Boatwr.
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subsp. tristis (A.Schreiber) Kyal. & Boatwr.
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Vachellia hindsii (Benth.) Seigler & Ebinger—Hinds acacia
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Vachellia hockii (De Wild.) Seigler & Ebinger
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Vachellia horrida (L.) Kyal. & Boatwr.—long white-galled acacia
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subsp. benadirensis (Chiov.) Kyal. & Boatwr.
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subsp. horrida (L.) Kyal. & Boatwr.
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Vachellia hydaspica (J.R. Drumm. ex R. Parker) Ali
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Vachellia inopinata (Prain) Maslin, Seigler & Ebinger
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Vachellia insulae-iacobi (L. Riley) Seigler & Ebinger
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Vachellia jacquemontii (Benth.) ali—baonḷī, raati-banwali
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Vachellia janzenii (Ebinger & Seigler) Seigler & Ebinger—Janzen acacia
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Vachellia karroo (Hayne) Banfi & Galasso—Karroo Bush
[Taxon in the V. karroo complex, see: ]
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Vachellia kingii (Prain) Maslin, Seigler & Ebinger
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Vachellia kirkii (Oliv.) Kyal. & Boatwr.—flood plain acacia
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subsp. kirkii (Oliv.) Kyal. & Boatwr.
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var. kirkii (Oliv.) Kyal. & Boatwr.
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var. sublaevis (Brenan) Kyal. & Boatwr.
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subsp. mildbraedii (Harms) Kyal. & Boatwr.
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Vachellia koltermanii R. García, M. Mejía, Ebinger, & Seigler
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Vachellia kosiensis (P.P.Sw. ex Coates Palgr.) Kyal. & Boatwr.
[—dune acacia, dune sweet-thorn
]
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Vachellia lahai (Steud. & Hochst. ex. Benth.) Kyal. & Boatwr.—red-thorn acacia
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Vachellia lasiopetala (Oliv.) Kyal. & Boatwr.
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Vachellia latispina (J.E.Burrows & S.M.Burrows) Kyal. & Boatwr.
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Vachellia leucophloea (Roxb.) Maslin, Seigler & Ebinger—pilang
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var. leucophloea (Roxb.) Maslin, Seigler & Ebinger
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var. microcephala (Kurz) Maslin, Seigler & Ebinger
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Vachellia leucospira (Brenan) Kyal. & Boatwr.
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Vachellia luederitzii (Engl.) Kyal. & Boatwr.—bastard umbrella thorn
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var. luederitzii (Engl.) Kyal. & Boatwr.—Kalahari-sand acacia
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var. retinens (Sim) Kyal. & Boatwr.—balloon-thorn acacia
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Vachellia macracantha (Humb. & Bonpl. ex Willd.) Seigler & Ebinger—longspine acacia, French casha, long-spine acacia, porknut, cambrón, long-spined acacia, ( Jamaica) parknut, ( Virgin Islands) wild tamarind, ( Netherlands Antilles) Creole casha, Spanish casha, steel acacia, ( Virgin Islands) stink casha, strink casha
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Vachellia macrothyrsa (Harms) Kyal. & Boatwr.
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Vachellia malacocephala (Harms) Kyal. & Boatwr.—black-galled acacia
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Vachellia mayana (Lundell) Seigler & Ebinger—Maya Acacia
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Vachellia mbuluensis (Brenan) Kyal. & Boatwr.—hairy-galled acacia
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Vachellia melanoceras (Beurl.) Seigler & Ebinger—blackthorn acacia, bullhorn acacia
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Vachellia montana (P.P.Swartz) Kyal. & Boatwr.
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Vachellia myaingii (Lace) Maslin, Seigler & Ebinger
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Vachellia myrmecophila (R.Vig.) Boatwr.
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Vachellia natalitia (E.Mey.) Kyal. & Boatwr.
[—pale-bark acacia, pale-bark sweet thorn
]
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Vachellia nebrownii (Burtt Davy) Seigler & Ebinger—water acacia, water thorn
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Vachellia negrii (Pichi-Sermolli) Kyal. & Boatwr.
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Vachellia nilotica (L.) P.J.H. Hurter & Mabb.—scented-pod acacia, gum Arabic tree, babul, Amrad gum, thorny mimosa of India
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subsp. adstringens (Schumach. & Thonn.) P.J.H. Hurter & Mabb.
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subsp. cupressiformis (J.L.Stewart) P.J.H. Hurter & Mabb.
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subsp. hemispherica (Ali & Faruqi) P.J.H. Hurter & Mabb.
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subsp. indica (Benth.) P.J.H. Hurter & Mabb.—Babul, Prickly acacia
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subsp. kraussiana (Benth.) P.J.H. Hurter & Mabb.
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subsp. leiocarpa (Brenan) P.J.H. Hurter & Mabb.
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subsp. nilotica (L.) P.J.H. Hurter & Mabb.
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subsp. subalata (Vatke) P.J.H. Hurter & Mabb.
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subsp. tomentosa (Benth.) P.J.H. Hurter & Mabb.
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Vachellia nubica (Benth.) Kyal. & Boatwr.
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Vachellia oerfota (Forssk) Kyal. & Boatwr.
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var. brevifolia (Boulos) Kyal. & Boatwr.
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var. oerfota (Forssk) Kyal. & Boatwr.
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Vachellia origena (Hunde) Kyal. & Boatwr.
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Vachellia ormocarpoides (P.J.H. Hurter) Kyal. & Boatwr.—Leolo thorn
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Vachellia oviedoensis (R. García & M. Mejía) Seigler & Ebinger
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Vachellia pacensis (Rudd & Carter) Seigler & Ebinger
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Vachellia pachyphloia (W. Fitzg.) Kodela
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subsp. brevipinnula (Tindale & Kodela) Kodela
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subsp. pachyphloia (W. Fitzg.) Kodela
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Vachellia pallidifolia (Tindale) Kodela
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Vachellia paolii (Chiov.) Kyal. & Boatwr.
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subsp. paolii (Chiov.) Kyal. & Boatwr.
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subsp. paucijuga (Brenan) Kyal. & Boatwr.
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Vachellia pennatula (Schltdl. & Cham.) Seigler & Ebinger—feather acacia
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var. parvicephala Seigler & Ebinger
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var. pennatula (Schltdl. & Cham.) Seigler & Ebinger
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Vachellia permixta (Burtt Davy) Kyal. & Boatwr.—slender acacia
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Vachellia pilispina (Pichi-Sermolli) Kyal. & Boatwr.—mpande
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Vachellia polypyrigenes (Greenm.) Seigler & Ebinger
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Vachellia prasinata (Hunde) Kyal. & Boatwr.
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Vachellia pringlei (Rose) Seigler & Ebinger—Pringle acacia
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var. californica —California Pringle acacia
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var. pringlei (Rose) Seigler & Ebinger—typical Pringle acacia
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Vachellia pseudofistula (Harms) Kyal. & Boatwr.—ant-galled acacia
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Vachellia qandalensis (Thulin) Kyal. & Boatwr.
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Vachellia quintanilhae (Torre) Kyal. & Boatwr.
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Vachellia reficiens (Wawra) Kyal. & Boatwr.—red-bark acacia
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subsp. misera (Vatke) Kyal. & Boatwr.
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subsp. reficiens (Wawra) Kyal. & Boatwr.
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Vachellia rehmanniana (Schinz) Kyal. & Boatwr.—silky acacia
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Vachellia rigidula (Benth.) Seigler & Ebinger—blackbrush acacia, blackbrush
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Vachellia robbertsei (P.P.Swartz) Kyal. & Boatwr.
[—Sekhukhune acacia
]
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Vachellia robusta (Burch.) Kyal. & Boatwr.—splendid acacia
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subsp. clavigera (E.Mey.) Kyal. & Boatwr.—river acacia
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subsp. robusta (Burch.) Kyal. & Boatwr.—robust acacia
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subsp. usambarensis (Taub.) Kyal. & Boatwr.
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Vachellia roigii (Léon) Seigler & Ebinger—Roig acacia
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Vachellia rorudiana (Christopherson) Seigler & Ebinger—Galapagos acacia
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Vachellia ruddiae (D. H. Janzen) Seigler & Ebinger—Rudd acacia
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Vachellia schaffneri (S. Watson) Seigler & Ebinger—Schaffner's wattle, twisted acacia
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var. bravoensis (Isely) Seigler & Ebinger
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var. schaffneri (S. Watson) Seigler & Ebinger
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Vachellia schottii (Torr.) Seigler & Ebinger—Schott's wattle
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Vachellia sekhukhuniensis (P.J.H. Hurter) Kyal. & Boatwr.—Sekhukhune thorn
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Vachellia seyal (Delile) P.J.H. Hurter—white whistling thorn
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var. fistula (Schweinf.) P.J.H. Hurter
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var. seyal (Delile) P.J.H. Hurter
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Vachellia siamensis (Craib) Maslin, Seigler & Ebinger
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Vachellia sieberiana (DC.) Kyal. & Boatwr.—longpod thorn, false paperbark thorn
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var. sieberiana (DC.) Kyal. & Boatwr.
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var. villosa (A.Chev.) Kyal. & Boatwr.
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var. woodii (Burtt Davy) Kyal. & Boatwr.—paperbark acacia, paperbark thorn
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Vachellia sphaerocephala (Schltdl. & Cham.) Seigler & Ebinger—roundhead acacia, bee wattle
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Vachellia stuhlmannii (Taub.) Kyal. & Boatwr.—olive-barked thorn, vlei acacia
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Vachellia suberosa (A. Cunn. ex Benth.) Kodela—corkybark wattle
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Vachellia sutherlandii (F. Muell.) Kodela—corkwood wattle
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Vachellia swazica (Burtt Davy) Kyal. & Boatwr.—Swazi acacia
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Vachellia tenuispina (Verdoorn) Kyal. & Boatwr.—turf acacia
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Vachellia tephrophylla (Thulin) Kyal. & Boatwr.
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Vachellia theronii (P.P.Sw.) Boatwr.
[—slender mountain thorn
]
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Vachellia tomentosa (Rottler) Maslin, Seigler & Ebinger—klampis
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Vachellia torrei (Brenan) Kyal. & Boatwr.—Mozambique sticky thorn
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Vachellia tortilis (Forssk.) Galasso & Banfi—umbrella thorn, umbrella acacia
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subsp. heteracantha (Burch.) Galasso & Banfi
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subsp. raddiana (Savi) Galasso & Banfi
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var. pubescens (A.Chev.) Galasso & Banfi
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var. raddiana (Savi) Galasso & Banfi
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subsp. spirocarpa (Hochst. ex A.Rich.) Galasso & Banfi
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var. crinita (Chiov.) Galasso & Banfi
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var. spirocarpa (Hochst. ex. A.Rich.) Galasso & Banfi
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subsp. tortilis (Forssk.) Galasso & Banfi
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Vachellia tortuosa (L.) Seigler & Ebinger—twisted acacia, acacia bush, casia, catclaw, Dutch casha, huisachillo, Rio Grande acacia, sweet briar, sweet-briar, wild poponax
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Vachellia turnbulliana (Brenan) Kyal. & Boatwr.—velvet pod acacia
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Vachellia valida (Tindale & Kodela) Kodela
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Vachellia vernicosa (Britton & Rose) Seigler & Ebinger—viscid acacia
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Vachellia viguieri (Villiers & Du Puy) Boatwr.
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Vachellia villaregalis (McVaugh) Seigler & Ebinger
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Vachellia walwalensis (Gilliland) Kyal. & Boatwr.
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Vachellia xanthophloea (Benth.) P.J.H. Hurter—fever tree
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Vachellia zanzibarica (S.Moore) Kyal. & Boatwr.—coastal whistling thorn
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var. microphylla (Brenan) Kyal. & Boatwr.
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var. zanzibarica (S.Moore) Kyal. & Boatwr.
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Vachellia zapatensis (Urb. & Ekman) Seigler & Ebinger
Incertae sedis
These species are suspected to belong to Vachellia, but have not been formally transferred.
Hybrids
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Vachellia × cedilloi (Rico Arce) Seigler & Ebinger
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Vachellia campechiana × pennatula
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Vachellia erioloba × haematoxylon
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Vachellia × gladiata (Saff.) Seigler & Ebinger
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Vachellia kirkii × seyal
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Vachellia macracantha × pennatula
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Vachellia seyal var. fistula × xanthophloea
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Vachellia × standleyi (Saff.) Seigler & Ebinger
