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Bees are a flower's best friends. Echoing previous studies from the northern part of the world, the Australian data, published today in the Proceedings of the Royal Society B, shows that flowers Down Under show the most color variance in the narrow spectra that insects are most sensitive to. This helps an insect distinguish flowers, remember their favorite, and return to it—good news for the plant. The results, now replicated on two continents, likely hold true elsewhere as well. 
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This is an illustration of color-keying used to digitally clear tissue and allow visualization of internal structures in 3 dimensions. The technique is ideally suited for in situ hybridization analysis to detect mRNA in an anatomical context.
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From
phys
Flowering is the most crucial act that plants undergo, as the fruits of such labor include crops on which the world depends, and seeds from which the next generation grows.
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Professor Iain Stewart uses an ultra-violet camera to reveal the markings some flowers have developed to attract pollinating insects.
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Most creatures face compromises when they reproduce -- the more energy they devote to having lots of babies, the less they can invest in each one. But do the same tradeoffs hold true for plants?
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From
phys
As gardeners get busy filling tubs and borders with colourful bedding plants, scientists at the Universities of Cambridge and Bristol have discovered more about what makes flowers attractive to bees rather than humans.
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Pollination could be a chaotic disaster. With hundreds of pollen grains growing long tubes to ovules to deliver their sperm to female gametes, how can a flower ensure that exactly two fertile sperm reach every ovule?
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‘Double-flowered’ mutation sheds light on the evolution of an iconic bouquet.
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In this video Dr Beverley Glover explains how a daisy is a collection of tiny flowers grouped together to make it look like a single big flower.
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A new study of flower petals shows evolution in action, and contradicts more that 60 years of scientific thought.
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