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Noun: Jerusalem thorn
  1. Large shrub or shrubby tree having sharp spines and pinnate leaves with small deciduous leaflets and sweet-scented racemose yellow-orange flowers; grown as ornamentals or hedging or emergency food for livestock; tropical America but naturalized in southern United States
    - horsebean, Parkinsonia aculeata
  2. Thorny Eurasian shrub with dry woody winged fruit
    - Christ's-thorn, Paliurus spina-christi
  3. East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu
    - catechu, Acacia catechu
  4. Spiny tree having dark red edible fruits
    - jujube, jujube bush, Christ's-thorn, Ziziphus jujuba

Derived forms: Jerusalem thorns

Type of: acacia, bush, shrub

Part of: genus Acacia, genus Paliurus, genus Parkinsonia, genus Ziziphus, Paliurus, Parkinsonia, Ziziphus

Encyclopedia: Jerusalem thorn