Category Archives: Uncategorized

At the swing of a pendulum: reversals from monosymmetry to radial symmetry are a frequent phenomenon in angiosperms

by Louis Ronse De Craene Royal Botanic Garden Edinburgh, Edinburgh EH3 5LR, Scotland, UK. l.ronsedecraene@rbge.ac.uk Changes in floral symmetry are an important evolutionary process in flowers. In general four forms of symmetry are recognized in flowers (Endress 1999, Citerne et … Continue reading

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Adaptative walk or random walk?

by Martin Lascoux Department of Ecology and Genetics, EBC, Uppsala University, Uppsala University, Sweden The search for the genetic factors controlling phenological traits in Arabidopsis thaliana, in particular flowering time, started in a candid and optimistic mood, with the rapid … Continue reading

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The mechanics of symmetry

by Beverley Glover Department of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UK. bjg26@cam.ac.uk Flowers come in many different shapes and sizes, but their symmetry is usually described in a binary fashion. Some flowers are bilaterally symmetrical, also known … Continue reading

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Forecasting flowering phenology

Aalt-Jan van Dijk Plant Research International, Wageningen University A prominent example of the role computational predictions play in everyday life is that of the weather forecast – will the weather allow your outdoor activities, and how about the weather during … Continue reading

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The scents of summer

Amy L. Parachnowitsch Plant Ecology and Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden 75236. email: amyparachnowitsch@gmail.com Summer is always a busy time—especially for those who do their research outside. As the chill of the mornings harkens the coming of … Continue reading

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Sugar regulates flowering

Soraya Pelaz Institució Catalana de Recerca i Estudis Avançats (ICREA) and Centre for Research in Agricultural Genomics (CRAG), 08193 Barcelona, Spain. soraya.pelaz@cragenomica.es It has been said for a long time and repeated as a mantra that plants do not flower … Continue reading

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Toxic nectar to improve pollinator fidelity?

Amy L. Parachnowitsch Plant Ecology and Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden 75236. email: amyparachnowitsch@gmail.com Maybe because so many of us rely and enjoy caffeine (I’m sipping a large cup of tea as I write this), a recent … Continue reading

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How flowers excel in their hospitality: the evolution of papillate conical cells in petals is linked with accommodating the right visitors

Louis Ronse De Craene Royal Botanic Garden Edinburgh, Edinburgh EH3 5LR, Scotland, UK. l.ronsedecraene@rbge.ac.uk Most flowers rely on animal pollinators for the transfer of their genes. As a result, flowers have developed different strategies to attract and reward pollinators, including … Continue reading

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Does a petunia of any other name smell as sweet? Unraveling the complexity of floral scents

Does a petunia of any other name smell as sweet? Unraveling the complexity of floral scents Amy L. Parachnowitsch Plant Ecology and Evolution, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden 75236. email: amyparachnowitsch@gmail.com As the perfume industry and anyone who … Continue reading

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Mutations in a circadian regulator contribute to crop adaptation

Ben Trevaskis CSIRO Plant Industry, Black Mountain ACT 2601, Australia Plants growing in temperate regions respond to seasonal changes in day length and temperature to coordinate flowering with optimal conditions. Variation in sensitivity or responsiveness to seasonal cues contributes to … Continue reading

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