Some fragrant plants suitable for Queensland
A more extensive list to come in future updates.
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The rhythm of floral fragrance
An ordinary garden petunia, which releases its scent at night to attract pollinators such as months has been used to study the timing of fragrance. The LHY gene, which is associated with the circadian clock in many plants, was found to be active in the morning, regulating scent production through a suppressive effect. Scientists are now studying how pollinators respond to plants with and without altered LHY genes with a view to improving the pollination efficiency of crop species. Source: Researchers discover how petunias know when to smell good (June 2015)