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Pinus spp .

Explore the development of male and female cones, pollen, ovules, and seeds in Pinus spp. Discover the stages of microsporangia, pollen development, ovule maturation, and seed growth. Gain insights into the structure and function of different parts of the pine tree reproductive system.

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Pinus spp .

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  1. Pinusspp.

  2. T.S. Stem of Pinus

  3. T.S. Stem of Pinus

  4. Male and female cones in Pinus

  5. Male cones with microsporangia Microsporangium

  6. Pollen Development in Pinus p.c. a.c. microspore 2 p.c. 2 p.c. gen cell tube cell

  7. Pine pollen

  8. 1 and 2 year old female cones 2nd Year Cone 1st Year Cone

  9. Conifer cone is a compound cone

  10. Ovuliferous scale

  11. Young female cone

  12. Ovule development

  13. Pinus ovule Eggs

  14. Close up of egg in archegonium Neck cells of archegonium

  15. Egg cell within archegonium

  16. Growth of pollen tube

  17. Mature seeds

  18. Thank You…

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