Part of the plan

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Across
  1. 2. of spiky plants
  2. 4. as a means of self defense
  3. 5. to generate volume
  4. 6. genital stamens
  5. 7. handle of the plant
  6. 10. as a means of breeding seed plants
  7. 12. to support twigs
  8. 15. as a gentle plant
Down
  1. 1. as a place to manage nutrients
  2. 3. as a support for plants
  3. 4. as reproductive plants
  4. 5. veins that carry water and food
  5. 7. branch to which the petiole is attached
  6. 8. to absorb water
  7. 9. genital pistil on plants
  8. 11. as personal protective equipment
  9. 12. can be made into crafts
  10. 13. results from plant growth
  11. 14. as decoration