Ziziphus spina-christi, the Christ's Thorn Jujube is an evergreen tree native to northern and tropical Africa and southern and Western Asia. It grows in Israel in valleys up to an elevation of 500m.

Ziziphus spina-christi has significance to Jews, Christians and Muslims, and is by some traditions the tree from which Jesus's Crown of Thorns

Crown of Thorns

In Christianity, the Crown of Thorns, one of the instruments of the Passion, was woven of thorn branches and placed on Jesus Christ before his crucifixion...

was made.

The ripe fruits are edible and the flowers are an important source of honey in Eritrea and Yemen.