christ's-thorn
Noun
Meaning
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.
Source: Webster's dictionaryAlternative names
Christ's thorn