| Acacia paradoxa | 
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| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Angiosperms | 
 
| Clade: | Eudicots | 
 
| Clade: | Rosids | 
 
| Order: | Fabales | 
 
| Family: | Fabaceae | 
 
| Subfamily: | Caesalpinioideae | 
 
| Clade: | Mimosoid clade | 
 
| Genus: | Acacia | 
| Species: | A. paradoxa | 
| Binomial name | 
| Acacia paradoxa 
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| Occurrence data from AVH | 
| Synonyms | 
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Homotypic Synonyms
Acacia armata var. angustifolia  Benth.
    Acacia armata var. paradoxa  (DC.) Ser.
    Acacia undulata  Spin, Jard. St. Sebastien
    Mimosa paradoxa  (DC.) Dum.Cours.
    Racosperma paradoxum  (DC.) Pedley
 Heterotypic Synonyms Acacia armata  R.Br.
    Acacia armata var. longipedunculata  Regel
    Acacia armata var. microphylla  Benth.
    Acacia armata f. ornithophora  (Sweet) Siebert & Voss
    Acacia armata var. ornithophora  (Sweet) Benth.
    Acacia armata var. pendula  Seem.
    Acacia armata var. typica  Domin
    Acacia armata var. undulata  (Siebert & Voss) Riebe
    Acacia armata f. undulata  (Link) Siebert & Voss
    Acacia armatoides  Walp.
    Acacia falcifolia  Hoffmanns.
    Acacia furcifera  Lindl.
    Acacia ornithophora  Sweet
    Acacia undulata  Willd. ex Spreng.
    Acacia undulata  Willd. ex H.L.Wendl.
    Acacia undulata var. elegans  Jacques
    Acacia undulata var. longispina  Vis.
    Phyllodoce armata  (R.Br.) Link
    Phyllodoce undulata  Link
    Racosperma armatum  (R.Br.) Mart.
    Racosperma undulatum  Mart.
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Acacia paradoxa  is a plant in the family Fabaceae. Its common names include kangaroo acacia, kangaroo thorn, prickly wattle, hedge wattle and paradox acacia.