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Unformatted text preview: Sexual reproduction may take up to 3 seasons to complete in some genera. Female cones of Pinus may go through a Pollination year, a Fertilization year and a Maturation year. Male cones are produced annually. It is possible to find all four cones on one tree. Pollination cone Fertilization cone Pine embryo Pine seed Pine seedling Conifer seeds are not surrounded by protective by sterile tissue, just the cone scale....
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This note was uploaded on 01/08/2012 for the course BIO 213 taught by Professor Makina during the Fall '09 term at SUNY Stony Brook.
- Fall '09