Question:

Conier Cone - seed and pollen dispersal mechanism?

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I need some help with this project.

1) Describe the pollen dispersal mechanism of a conifer cone?

2) Describe the seed dispersal mechanism of a conifer cone?

I spent some time doing research and the only thing I got is:

"In botany, the reproductive structure of the conifers and cycads; also known as a strobilus. It consists of a central axis surrounded by numerous, overlapping, scalelike, modified leaves (sporophylls) that bear the reproductive organs. Usually there are separate male and female cones, the former bearing pollen sacs containing pollen grains, and the larger female cones bearing the ovules that contain the ova or egg cells. The pollen is carried from male to female cones by the wind (anemophily). The seeds develop within the female cone and are released as the scales open in dry atmospheric conditions, which favour seed dispersal."

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  1. Some additional info:

    Aerodynamic features of conifer pollen:

    http://mathbio.truman.edu/research/mathb...

    A site with a lot of illustrations. See "Sexual Reproduction":

    http://www.botany.hawaii.edu/faculty/web...

    http://www.wettropics.gov.au/pa/pa_conif...

    Pics "Coniferophyta produce wing-like projections which favor aerial distribution":

    http://www.biologie.uni-hamburg.de/b-onl...

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