The Jerusalem thorn.
- a leguminous, tropical American tree (Parkinsonia aculeata) having compound leaves and yellow, fragrant flowers: used for hedges
A spiny tropical American tree (Parkinsonia aculeata) in the pea family, having yellow flowers and bipinnately compound leaves and widely cultivated as an ornamental.
(plural Jerusalem thorns)
- The shrub Paliurus spina-christi, native to the Eastern Hemisphere.
- The shrub Parkinsonia aculeata, native to the Western Hemisphere.