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Christ's-thorn,name for several Old World plants popularly said to have composed the crown of thorns. It is applied most often to two members of the family Rhamnaceae (buckthornbuckthorn,
common name for some members of the Rhamnaceae, a family of woody shrubs, small trees, and climbing vines widely distributed throughout the world. The buckthorns (several species of the genus Rhamnus) and the jujube (Ziziphus jujuba
..... Click the link for more information. family): (1) the Jerusalem thorn (Paliurus spina-christi), which is a spiny shrub or small tree with curious fruit resembling a miniature head under a wide-brimmed hat; and (2) a variety of jujube. Christ's-thorn is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
..... Click the link for more information. , class Magnoliopsida, order Rhamnales, family Rhamnaceae.
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