state two adaptive features of entomophilous plants
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short stem and deep root
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Some plants have special adaptations for the insect visitor to help in cross pollination. In Salvia a turn-pipe or lever-mechanism operates to promote cross pollination. Salvia is pollinated by bees. It has protandrous flowers with bilipped corolla. The lower lip functions as a landing platform for the insect.
Pronuba yuccasella is a moth which deposits its eggs in the ovary of Yucca flower. Simultaneously, it collects pollen and deposits the same in the hollow of stigma to effect pollination.
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