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Unformatted text preview: a filament which supports the anther . The anther contains four microsporangia within which microspores (pollen) are produced by meiosis. Stamens are thought to represent modified sporophylls (leaves with sporangia on their upper surface). Examinations by James E. Canright in the 1950s suggested an evolutionary series from primitive angiosperms (like Austrobaileya ) which have leafish stamens to others with "normal" stamens ( Lilium )....
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- Fall '10