Additional files [RJEE Vol. 3 (1). 2018 – 4]

• Fig. 1. The disturbed plot inhabited by P. spina-christi in the vicinity of Novy Svet settlement (hereafter photos of the authors)
• Fig. 2. P. spina-christi shoot with spines
• Fig. 3. P. spina-christi fruits
• Fig. 4. Christ’s-thorn seeds extracted from fruits, before preparing for germination
• Fig. 5. Christ’s-thorn sprout at the initial stages of development
• Fig. 6. Species in the transitional stage from sprout to juvenile state (with root system)
• Fig. 7. Juvenile monopodially growing species – the phase of the primary shoot. Full-size drawing (left) and diagram (right). Specification: ↑ – growing shoot with living terminal bud
• Fig. 8. Immature sympodially growing species – phase of the main sympode
• Fig. 9. Immature single-trunk species – phase of the embryonic tree. Full-scale drawing and diagram. Specification: × – sympodial growth, ↑ – growing shoot with living terminal bud
• Fig. 10. Immature single-trunk species with a significant deviation of lateral shoots from the main sympode
• Fig. 11. Immature single-trunk species – tree; formation of thickened xylopodia. Full-scale drawing and diagram. Specification: × – sympodial growth, ↑ – growing shoot with living terminal bud
• Fig. 12. Immature double-trunk species. Phase of the primary bush
• Fig. 13. Single-trunk virginal species – sapling
• Fig. 14. Pagodoid crown (“story” crown) of the generative specimen of Christ’s-thorn
• Fig. 15. Suspended growth of the terminal bud (ТПч), silleptic shoot (СП), resting lower serous bud formed from the upper serial bud (ППч)
• Fig. 16. Dried last-year sylleptic shoots (ПСП), vegetative current-year shoots formed from the upper serial bud of the virgin species (ВП)
• Fig. 17. Part of the generative specimen shoot: ПСП – last-year silleptic shoot, ВГП – vegetative-generative shoot, УВГП – vegetative-generative shoot with apex dried up after flowering, ПчВ –buds of renewal
• Fig. 18. Underground part of the young generative species
• Fig. 19. Additional vegetative-generative shoot formed from the lower serial bud
• Fig. 20. Dried shoot of the medium-aged generative species
• Fig. 21. Xylopodium and bases of axes of the medium-generation generative species
• Fig. 22. Xylopodium of the old-aged generative species
• Fig. 23. Stipes foundations of the old-aged generative species with exposed xylopodium
• Fig. 24. General view of the old-aged generative species in the vicinity of Novy Svet settlement
• Fig. 25. General view of the senile species