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A spiny tropical American tree (Parkinsonia aculeata) in the pea family, having yellow flowers and bipinnately compound leaves and widely cultivated as an ornamental.
1. a Christ's-thorn.
2. a spiny tropical American tree, Parkinsonia aculeata, of the legume family.
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|Noun||1.||Jerusalem thorn - thorny Eurasian shrub with dry woody winged fruit|
|2.||Jerusalem thorn - spiny tree having dark red edible fruits|
|3.||Jerusalem thorn - 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|
|4.||Jerusalem thorn - East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu|
genus Acacia - large genus of shrubs and trees and some woody vines of Central and South America, Africa, Australia and Polynesia: wattle; mimosa
acacia - any of various spiny trees or shrubs of the genus Acacia