Patrick Guilfoile: Plants benefit from giving bees their cup of morning Joe
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columns Certain plants, including coffee and citrus plants, produce high levels of caffeine.
It costs the plant a good deal of energy to make these compounds, and consequently, there must be some strong pressure on the plant to make caffeine. In most cases, the reason appears to be toxicity- at high levels,...
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Certain plants, including coffee and citrus plants, produce high levels of caffeine.