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Monthly Archives: June, 2011

Protein gradients in wheat endosperm

The starchy endosperm of wheat, Triticum aestivum, has three major components: protein, starch and cell wall polysaccharides, which are are not homogenously distributed across...

Origin of triploid Arachis by autopolyploidy

Origin of triploid <i>Arachis</i> by autopolyploidyThe origins of the economically important tetraploids in Arachis (including peanut) have largely been studied; however, the polyploidization pathway...

Love and Flowers: When analogies break down

I've learned a lot from a new article in AoB PLANTS, the Open Access sister Journal to Annals of Botany. It's Green love talks;...

Plants as Persons: A Philosophical Botany

Plants are people too? Well, before you put in the call to have me taken me away, let me explain where I’m coming from....

Evolution, classification and biogeography of Velloziaceae

There is considerable discord among treatments of the Velloziaceae despite the large amount of data that exists for this family. Mello-Silva et al. undertake...

Xylem structure and passive bacterial spread

The bacterium Xylella fastidiosa, responsible for Pierce’s disease of grapevine, colonizes the xylem conduits of vines. Chatelet et al. examine the xylem structure of...

Polyploid speciation in Asplenium

Polyploidy is a major evolutionary force generating new plant species. Hunt et al. explore the dynamics of allopolyploid speciation in the western Mediterranean rock...

Phriday Photo: Wollemi Pine

I was in London earlier this week for an editorial meeting with many of the Annals of Botany members. As part of it, I...

Function and evolution of sterile sex organs

Why are sterile anthers and carpels retained in some flowering plants, given their likely costs? Yu et al.  study a cryptically dioecious species, Petasites...

And the winner is…

… well, it’s not a plant! And how predictable! The Top 10 new species of 2010 includes no plants. However, before all readers of...

Most Read

Phylogeny, age and adaptive evolution of genus Allium

The genus Allium L., one of the largest monocotyledonous genera and one that includes many economically important crops with nutritional and medicinal...

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...
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