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Tag: mating system

Close Encounters

With hundreds of thousands of flowers, macadamia can be limited by not getting enough pollen

This study is the first to demonstrate pollen limitation in a mass-flowering tree.

by Fi GennuFebruary 16, 2022February 16, 2022
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Close Encounters

Herbivores can cause dioecious plants to partly swap sex

Rather than inherently being ‘male’ or ‘female’, Mercurialis annua can produce flowers as a plastic response to its environment.

by Alun SaltJanuary 11, 2022January 11, 2022
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Taxonomy & Evolution

Where Have All The Good Men Gone? Don’t Despair – Make Some Yourself (That’s What Plants Do..)

Observed rates of evolution in the experiment were among the highest yet recorded.

by Hugh DickinsonJuly 6, 2021July 24, 2021
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Taxonomy & Evolution

Hybridisation of native and foreign Sorbus trees in the Polish Carpathian mountains

Sorbus is a highly diverse tree genus but is this the result of hybridisation and introgression between native and foreign species?

by William SalterMarch 25, 2021March 25, 2021
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Close Encounters

Do flowers produce scent when they’re not expecting visitors?

The study demonstrates extensive variation in floral scent among populations of a geographically widespread species, Arabis alpina.

by Fi GennuFebruary 26, 2021February 25, 2021
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Close Encounters

Within a mixed species, annuals self-pollinate more than perennials

A smaller stigma-anther separation in annuals seems to indicate a genetic basis for mating system differences.

by Erin ZimmermanOctober 23, 2020October 23, 2020
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Growth & Development

Variation in reproduction and genetic diversity across seagrass meadows in Western Australia

How do reproductive effort, genetic diversity and mating systems vary across the range of a seagrass population?

by William SalterOctober 8, 2020October 8, 2020
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Close Encounters

Not All Scarlet Pimpernels Arrange Their Sexual Organs the Same Way to Avoid Pollinating Themselves

When there are unsuitable partners around, Lysimachia arvensis, will alter its herkogamy to favour self pollination over outcrossing with the wrong flowers

by Alex AssiryApril 17, 2020April 16, 2020
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Annals of Botany Featured News in Brief

Flowers evolve to balance the risks and rewards of self-pollination

The longer a plant waits to self-pollinate, the longer it has to attract pollen from outside. But waiting too long can have consequences.

by Alun SaltOctober 9, 2019October 9, 2019
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Capsella
Annals of Botany

Mating system, ploidy and competition in Capsella species

by botanyoneJune 15, 2018June 15, 2018
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Clarkia
Annals of Botany

Evolution of mating system, life history, and photosynthetic physiology in Clarkia

by botanyoneApril 26, 2018April 26, 2018
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Leeuwenberg’s architectural model of Datura stramonium
Annals of Botany

Flower-level developmental plasticity and mating system in Datura

Reductions in herkogamy with flower positions may be expected in environments with either low pollinator abundance or low nutrients.

by botanyoneNovember 10, 2017November 10, 2017
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AoB PLANTS

Reproductive traits affect the rescue of valuable and endangered multipurpose tropical trees

by AoBPLANTSJanuary 18, 2017January 18, 2017
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Open-pollinated family-level multilocus outcrossing rate estimates of Clarkia unguiculata (A–D) and C. xantiana ssp. xantiana (E–H) plotted against residuals from a multiple linear regression of photosynthetic rate on leaf node number and plant height measured in the field prior to flowering (open symbols) or during peak flowering (closed symbols).
Annals of Botany

Variation in outcrossing and photosynthetic rates in Clarkia reveals independent evolutionary transitions

by botanyoneNovember 5, 2016November 3, 2016
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Botany One is a blog run by the Annals of Botany Company, a non-profit educational charity.

In addition to Botany One, the company currently publishes three journals, the Annals of Botany, AoB PLANTS, and in silico Plants.

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