gymnosperms

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Across
  1. 1. common family name of ramified gymnosperms
  2. 2. common name of gymnosperms with pinnate leaves
  3. 5. protective layer outside the ovule
  4. 7. Latin for a leaf
  5. 9. narrow water conducting cells with solid terminal walls
  6. 11. common name for the Podocarpaceae, _ _ _ _ pines
  7. 13. subtends the ovuliferous scale of conifers gymnosperms
  8. 14. largest family of cycads in Australia
  9. 16. distinguishing character of Cycadaceae leaflet
  10. 18. modified leaves in male cones that bear the pollen sacs
  11. 24. specialized roots housing cyanobacteria in cycads
  12. 25. developing within a spore wall i.e. pollen and ovules
  13. 27. suffix designating a family in plants
  14. 28. wood of cycads
  15. 30. nutritive tissue in the ovule, from the sporophyte
  16. 31. product of the generative cell in pollen grains
Down
  1. 1. uncurling young leaves of cycads
  2. 3. recently discovered araucaria from NSW
  3. 4. develops by consuming the nucleus tissue
  4. 6. Latin prefix for large
  5. 8. male and female cones separate but borne on one tree
  6. 10. develops by consuming the megagametophyte
  7. 12. fertilization using pollen tubes
  8. 15. Latin prefix for small
  9. 17. suffix referring to secondary wood of conifers
  10. 18. seed bearing modified leaves of cycads
  11. 19. gymnosperm family with circinate vernation
  12. 20. compound leaves of cycads
  13. 21. contains the male gametophyte of seed plants
  14. 22. separate male and female plants e.g. in cycads and
  15. 23. unlike cycads the leaves of conifers are _ _ _ _ _ _
  16. 26. organ equivalent to the megasporangium of spore plants
  17. 29. reproductive structure absent in female Cycadaceae