Thorn
Thorns are among the most common plants of the Palestinian landscape and carry deep symbolic weight throughout Scripture. They first appear as part of the curse on the ground following Adam's sin (Gen. 3:18), and their prevalence on uncultivated land made them a natural image for judgment, neglect, and spiritual declension. The burning thornbush of Moses's call (Ex. 3:2) and the thorns of the vineyard in Isaiah's parable (Isa. 5:6) both exploit this imagery.
In the parable of the sower, thorns represent the cares of the world and the deceitfulness of riches that choke the word and render it unfruitful (Matt. 13:7, 22). The crown of thorns woven by Roman soldiers and placed on Jesus before his crucifixion (Matt. 27:29) is theologically dense, carrying overtones of the curse Jesus bears on behalf of humanity. Paul's "thorn in the flesh" (2 Cor. 12:7) uses the same imagery for a persistent personal affliction.