Christ's-thorn

One of several prickly or thorny shrubs found in Palestine, especially the Paliurus aculeatus, Zizyphus Spina-Christi, and Z. vulgaris. The last bears the fruit called jujube, and may be considered to have been the most readily obtainable for the Crown of Thorns.

spiny tree having dark red edible fruits

thorny Eurasian shrub with dry woody winged fruit