13Explain pollination in Salvia Lever Mechanism?
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Salvia is excellent example of insect pollination is which pollination occurs by lever or turn pipe mechanism. In these plants, the monothetic stamens are modified into levers. The thin ligament between the connective and the filament forms a joint that is then divided into upper and lower arms.
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When a pollinator probes a male stage flower for nectar, (pushing the posterior anther theca) the lever causes the stamens to move and the pollen to be deposited on the pollinator. When the pollinator withdraws from the flower, the lever returns the stamens to their original position.
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