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Tag: herkogamy

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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Close Encounters

Are ants a benefit or a detriment when they occupy a plant? New research says they may be both.

Research in two new papers shows how ants can interfere with pollination, but this interference is complicated.

by Alun SaltJuly 7, 2020July 7, 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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AoB PLANTS

Accurate position exchange of stamen and stigma resolves the herkogamy dilemma in a protandrous plant, Ajuga decumbens (Labiatae)

by William SalterOctober 10, 2019October 7, 2019
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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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AoB PLANTS

Herkogamy and dichogamy in style dimorphic flowers of Narcissus broussonetii (Amaryllidaceae)

by William SalterSeptember 16, 2019September 16, 2019
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AoB PLANTS News in Brief

Outbreeding and inbreeding strategies in plant communities of the Venezuelan Gran Sabana Plateau

RamĂ­rez and Hokche evaluated the breeding system, sexual system, dichogamy and herkogamy of herbaceous-shrubby communities from the Gran Sabana Plateau, Venezuela

by William SalterAugust 1, 2019August 1, 2019
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AoB PLANTS News in Brief

The impact of floral morphology on genetic differentiation in two closely related biennial plant species

by William SalterOctober 18, 2018October 14, 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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Ruellia humilis
Annals of Botany

Hawkmoth pollination syndrome and adaptive floral integration

by botanyoneJune 9, 2017June 9, 2017
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Movement herkogamy versus pollination accuracy
Articles

In the right place at the right time for pollination

Parnassia epunctulata, a herb with generalized pollination, which exhibits sequential stamen movement.

by AJ CannJune 18, 2014June 17, 2014
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Floral longevity and autonomous selfing in Collinsia
Annals of Botany

Floral longevity and autonomous selfing in Collinsia

Under drought stress, cross-pollination early in floral lifespan of Collinsia reduces floral longevity, but excess soil moisture does not extend longevity.

by botanyoneNovember 13, 2013October 24, 2013
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Variation and evolution of herkogamy in Exochaenium
Annals of Botany

Variation and evolution of herkogamy in Exochaenium

by botanyoneSeptember 20, 2013September 10, 2013
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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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