There are 25,000 species of orchids that have colonised six continents over the past 80 million years. The secret of the orchid's success lies in the weird and varied relationships each species has developed with the bees and other insects that it relies on for pollination. Most insects pollinate plants in return for a reward of nectar, not so with orchids. They cheat, trick and hoodwink insects into pollination.
Posted by Astrojenny
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