The stamen is the male sex organ of flowers. Typical flowers have six stamens at the base of the petals. The stalk on each stamen is called a filament[?]. Each filament ends with an anther, which contains a dusty haploidpollen, which contains sperm cells.
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... After holding the chair of philosophy at Halle for two years, he became, in 1833, professor at the university of Königsberg[?], where he remained till his death. In his ...