Page 23 - (DK) Flowers
P. 23

A pollen grain                  Pollen in close-up
       lands on the        Stigma
                                       Pollen grains are so small
       stigma and
                                       that about 50 of them can
       grows a tube
                                       fit on a pinhead. Every plant
       to the ovary.
                                       has its own type of pollen.
                                      Some are round, while others
                                      are shaped like triangles
                                      or sausages.
                     A seed is
                     formed here,        Magnified pollen
                     in the ovary.       grain of a hollyhock

       Pollen at the ready
       This lily bud has been
       cut in half to reveal its
       stamens and stigma. At
       the end of each stamen
       is a dark orange anther.
       This makes the pollen,                                        Hollyhock
       which is like a fine dust.             Spikes                 plant



              Anther














                                            Sticky business
              A single anther               Pollen grains are often sticky. When
               makes millions               a bee visits a flower, it cannot keep
               of pollen grains.            from brushing against the anthers
                                            and getting covered in pollen.
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   US_024-025_All_about_pollen.indd   25                                   06/09/18   11:38 AM
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