Botany: The Tender Trap

Few creations of nature are more exotic than the flowers that trap insects in order to transfer pollen from their male to their female reproductive organs. Though the workings of these trap flowers were known by Charles Darwin, their intricate mechanisms are only now coming to light.

Modern plant research, writes German Biologist Stefan Vogel in Um-schau, has supplied a sudden flood of knowledge about the behavior of trap flowers. Their blossoms range from one-half inch to two feet in length. They lure insects to their traps by the unfloral smell that their osmophores give off during the "lure phase";...

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