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On Thorns and Crowns

On Thorns and Crowns. © Avinoam Danin Flora of Israel online. http://flora.huji.ac.il. An attempt to display spiny plants associated with the”Crown of Thorns”. Images of plants seen on the Shroud of Turin are the most authentic source of information on the identity of these plants.

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On Thorns and Crowns

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  1. On Thorns and Crowns © Avinoam Danin Flora of Israel online http://flora.huji.ac.il

  2. An attempt to display spiny plants associated with the”Crown of Thorns” • Images of plants seen on the Shroud of Turin are the most authentic source of information on the identity of these plants. • A survey of relict spines saved in monasteries and churches carried out in the 1800’s (Fleury 1870) provide additional information on some of the thorns. • Contemporary merchants supplying souvenirs to tourists tend to use the locally available trees, without any historical background.

  3. For full information see: • Danin, A. 2006. The nature of thorny plants, the image of which is observed on the Shroud of Turin. March 2006 issue of CSST Newsletter.

  4. The image of Gundelia tournefortiiflowering head with faint images of the long subtending leaves and dots at the tip of several stiff spines. A component of one of two “Crowns of Thorns” observed by A. Whanger on the Shroud of Turin

  5. The first leaves emerge from a bud at the top of a thick root, form a leaf-rosette, with leaves the main vein of which is purple-red.

  6. The spines of the leaf lobes, and those of the inflorescences, as “unpleasant” as they look, may penetrate the skin, break inside ones body, but may hardly cause any bleeding. I call such thorn in this presentation, “fine thorns”

  7. The inflorescence is a compound capitulum, composed of groups of several yellow flowers, arranged in the axile of a long spiny bract. These thorns are “fine” as well

  8. A dry and ripe plant ready for wind-dispersal. Each of the simple capitulae at the axile of a long fine thorn contains one seed and is ready to fall once the plant roll

  9. Faint images of three flowering heads (capitulae) of Carduus located on the Shroud of Turin

  10. Carduus argentatus

  11. A young leaf of Carduus argentatus. Note the white cells at the base of each fine thorn

  12. FEROCIOUS THORNS After the first meeting you prefer not to let these thorns to touch your skins, flesh, or cloths.

  13. Ziziphus spina-christi Beware of the ferocious thorns when trying to collect the tasteful fruits

  14. One stipule is straight and the second curved, thus forming a “hook”. Note 3 veins per leaf

  15. In winter Rhamnus lycioides subsp. graeca In summer

  16. Medal of artist Bonaldi Giovanni for miracle of the holy thorn of S. Giovanni Bianco in Bergamo, Italy The actual thorn

  17. Parkinsonia aculeata, a savannah tree of C America and escaped from cultivation as an ornamental in Israel

  18. The thorns are hard axis of a compound leaf and a pair of hooked stipules. Often seen as composing a “true” crown of thorn for tourists.

  19. Gleditsia triacanthos, a N American tree often used in USA for making “Crown of Thorns”

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