Botanical tree parts

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Across
  1. 3. food factories for tree growth
  2. 4. a winged fruit or seed with wings
  3. 6. above ground smaller framework of extending parts
  4. 9. carries manufactured foods/sugars from the leaves to the roots
  5. 11. above ground larger framework of extending parts
  6. 12. a tree's natural armor
  7. 15. water layer only a few cells thick (generative layer)
  8. 16. one leaf that has three or more leaflets
  9. 17. the above ground framework of branches
  10. 19. process that produces carbohydrates for tree growth
  11. 21. under ground framework of extending parts
  12. 22. the central column of a tree
  13. 23. leaves grow leaflets on opposite sides of the leaf stem
  14. 24. one of the rib-like vessels in the vein of the leaf
Down
  1. 1. carries water and minerals from the roots to the leaves
  2. 2. underground extension that anchors the tree
  3. 4. an ingrediant for photosynthesis
  4. 5. the soft center section of tree twig or stem
  5. 7. the tiny early invisible extensions from a root
  6. 8. an ingrediant in the process of photosynthesis
  7. 10. leaflates or lobes that grow from a leaf stem in the manner of a hand
  8. 13. the seed of an oak
  9. 14. reproductive structures from which the seeds are produced
  10. 18. sticky tree waste
  11. 20. one leaf no extra leaflets