
Immature Araucaria Microsporangiate Cones |

Detail of an Immature Araucaria Microsporangiate
Cone showing the Sporophylls |

Intact Immature Araucaria Microsporangiate
Cone |

Longitudinal Section of an Araucaria Microsporangiate
Cone showing the Cone Axis (Stem) & Individual Sporophylls (Leaves). |

Isolated Microsporophylls
showing the large Microsporangia |

Detail of Microsporangiate Cone showing the Sporangia and Pollen
(Microgametophyte) |

Araucaria Tree with Mature Microsporangiate
Cones |

Immature Araucaria Megasporangiate Cones:
These occur on the Uppermost branches of this species. |

Immature Megasporangiate Cone |

The cone is composed of "Megasporophylls". This is an oversimplification BUT it is sufficient for this class. |

Cross Section of a Megasporangiate Cone showing the Cone Axis and the "Megasporophylls". |

Cross Section of a Megasporangiate cone showing the Cone Axis and the Ovules; Each "Megasporophyll" produces one Ovule. |

Isolated "Megasporophylls" |

A "Megasporophyll" with its Ovule |

Partly Mature Araucaria
Megasporangiate Cone |

Mature Araucaria Cone showing a Scale ("Megasporophyll") and 2 Seeds.The Seed
is a Mature Ovule! |