Sympatric speciation in Australian sexually deceptive orchids

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Speciation has generated the diversity of life, yet the mechanisms of speciation remain poorly understood. Chiloglottis orchids are pollinated by highly specific sexually attracted male pollinators-an intriguing and predominantly Australian pollination mechanism. New evidence indicates these orchids offer novel opportunities to illuminate the evolutionary processes of speciation. This project will integrate new and powerful molecular laboratory procedures with field studies to investigate the mechanisms of speciation within the genus. These orchids may provide rare examples of sympatric speciation-the evolution of species in the absence of geographic isolation. This is currently a speciation mechanism of current and intense research interest worldwide.