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Species in the Americas

List of  Acacia s.l. - species in the Americas including subspecies, hybrids and some variations.

status: 12.10.12

Acacia: 2
Acaciella 15
Mariosousa: 11
Senegalia: appr. 90
Vachellia: 59

Acacia species

Acacia koa
Acacia koaia

Vachellia species

acuifera
albicorticata
allenii
anagadensis
aroma
aroma var. huarango
astringens
baessleria (new in 2009)
barahonensis
belairioides
biaciculata
bidwillii
bilimekii
brandegeana
bravoensis
bucheri
californica
campechiana
campechiana forma houghii
caurina
caven
x cedilloi
chiapensis
choriophylla
clarksoniana
collinsii
constricta
cookii
cornigera
cucuyo
curvifructa
daemon
farnesiana
farnesiana var. minuta
farnesiana var. pinetorum
gentlei
x gladiata
glandulifera
globulifera
guanacastensis
hindsii
insulae-iacobi
janzenii
macracantha
mayana
melanoceras
oviedoensis
pacensis
pennatula
pennatula var. parvicephala
polypyrigenes
pringlei (ssp. of V. californica acc. to Rico-Arce)
rigidula (ssp. of V. amentacea according to Rico-Arce)
roigii
rorudiana
ruddiae
schaffneri
schottii
sphaerocephala
x standleyi
tortuosa
vernicosa (Synonym of V. constricta acc. to Rico-Arce)
villaregalis
zapatensis

Senegalia (was part of Aculeiferum)

alemquerensis
altiscandens
amazonica
angustifolia
anisophylla
aristeguietana
bahiensis
berlandieri
bonariensis
catharinensis
crassifolia
cundinamarcae
eliasana
emilioana
x emoryana
etilis
feddeana
ferruginea
fiebrigii
gaumeri
giganticarpa (not accepted by Rico-Arce)
gilliesii
globosa
grandistipula
greggii
hayesii,
huberi
huilana
interior
kallunkiae
kelloggiana
klugii
kuhlmannii
lacerans
langsdorfii,
lasiophylla
loretensis
lowei
lozanoi
macbridei
macilenta
magnibracteosa
martii
martiusiana
maschalocephala
mattogrossensis
miersii
mikanii
mirandae
modesta
monacantha
multipinnata
muricata
nitidifolia
occidentalis
olivensana
ortegae
painteri
paraensis
parviceps
pedicellata
peninsularis
piauhiensis
picachensis
piptadenioides
polyphylla
praecox
pteridifolia
purpusii
quadriglandulosa
recurva
reniformis
retusa
riograndensis
riparia
roemeriana
rostrata
rugata
rurrenabaqueana
saltilloensis
scandens (not accepted by Rico-Arce)
scleroxyla=skleroxyla
sericea
serra (data deficient)
sororia
subangulata
tamarindifolia
tenuifolia var. tenuifolia
tenuifolia var. producta
trijuga
tubulifera (= S. riparia according to Rico-Arce)
tucumanensis (=S.riparia acc. to Rico-Arce)
velutina
visco
vogeliana
weberbaueri
wrightii (Synonym of S. greggii acc. to Rico-Arce)

Genus Mariosousa ( formerly “Coulteri group”)

a good description of all these species is found here.

acatlensis
centralis
compacta
coulteri
dolychostachia
durangensis, is “variety durangensis” of Acacia coulteri (Rico-Arce 2007)
mammifera
millefolia
russelliana
salazari, is a synonym of Acacia coulteri (Rico-Arce 2007)
sericea
usumacintensis
willardiana

Genus Acaciella

There are 15 species and five varieties of Acaciella in the Neotropics from the Southern United States to Argentina (see literature Rico-Arce). All of them are found in Mexico.
Their main characteristics are bipinnate leaves without any glands, no spines nor prickles, white to yellowish flowers, mostly in round heads with more than 150 stamens. Pollen in 8-celled polyads.

Acaciella angustissima var. angustissima
Acaciella angustissima var. filicoides
Acaciella angustissima var. texensis
Acaciella barrancana
Acaciella bicolor
Acaciella chamelensis
Acaciella glauca
Acaciella goldmanii
Acaciella hartwegii
Acaciella igualensis
Acaciella lemonii
Acaciella painteri var. painteri
Acaciella painteri var. houghii
Acaciella rosei
Acaciella sotoi
Acaciella sousae
Acaciella tequilana var. tequilana
Acaciella tequilana var. crinita
Acacielle tequilana var. pubifoliata
Acaciella villosa


open species:

A.chrysantha: data deficient (Rico 2007); Aculeiferum
A.eliasana: data deficient (Rico 2007); Aculeiferum
A.furcatispina (synonym of A. gillesii)
A.guarensis : Aculeiferum (Rico 2007)
A.kelloggiana: Aculeiferum (Rico 2007)
A.parviflora:  Aculeiferum (Rico 2007)
A.rynchocarpa (synonym of A. riparia)
A.subpaniculata: data deficient (Rico 2007); Aculeiferum