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Saturday, April 4, 2020
Tags Dioecy

Tag: dioecy

Males become female when striped maples take a health hit

Above a certain trauma threshold, male trees had a high probability of becoming female, possibly in a bid to better their chances at reproduction.

Are males and females produced in equal proportions in the sexually cryptic coco de mer?

Morgan et al. explores sex ratios in populations of Lodoicea maldivica in the Seychelles.

Patterns of sex expression, health and mortality in a sex-changing tree

The ability of individuals to change sex during their lifetime is known as environmental sex determination (ESD). This ability represents a unique life history...

Breeding system evolution in Ficus and Moraceae

Diverse breeding systems have evolved in angiosperms from the bisexual flowers of their last common ancestor. However, breeding system evolution remains poorly understood in...

Sexual dimorphism and rapid turnover in gene expression in pre-reproductive seedlings of a dioecious herb

Sexual dimorphism in morphology, physiology or life history traits is common in dioecious plants at reproductive maturity, but it is typically inconspicuous or absent...

Positive and negative interactions on a dioecious grass species performance

Dioecious plants are of particular concern in view of global environmental changes because reproductive females are more sensitive to abiotic stresses, thus compromising population...

Limited seed and pollen gene dispersal in Taxus baccata

Dispersal is crucial due to its direct impact on dynamics of a species’ distribution as well as having a role in shaping adaptive potential...

Sex-specific functional traits in cycads

The Mesozoic is often referred to as the “age of cycads”. During this period, dinosaurs roamed vast cycad forests, yet modern cycads are a...

Amborella trichopoda helps reveal features of the first flowering plants

It's difficult to peer into the past to see the first flowering plant, but Charlie Scutt shows how an ancestor in the modern-era provides some clues as to what it looked like.

Genetic sex determination and sexual instability in Amborella trichopoda

Amborella trichopoda, the sister species of all other extant angiosperms, is typically dioecious, producing male and female flowers on separate individuals. Anger et al....

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Plants from different climates can react to drought in similar ways

How do plants react when circumstances change? One method can be to evolve a local adaptation. Another can be be phenotypic plasticity,...

Not All Pine Needles Are Identical: Lower Crown Loss in Pinus radiata

When fungal infection comes to Pinus radiata, it can run through the bottom of the crown of the tree, removing its leaves....

How do you get more DNA down a pollen tube?

A common event for flowering plants is whole genome duplication (WGD), where a plant gets extra chromosomes. It’s often studied in mature...

Simulating the effects of local adaptation and life history on the ability of plants to track climate shifts

Local adaptation is common but not universal in plants and results from the interplay of gene flow with natural selection. Gene flow...
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