What is a grass? Chloroplast DNA reveals that a grass may not be a grass
A rose by any other name may smell as sweet, but it would no longer be a rose. If a grass is booted out of the grass family, where does it go?
Biotechnology
Apr 27, 2010
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News tagged with american journal of botany
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Making its predators tremble: Multiple defenses act synergistically in aspen
If plants did not defend themselves in some way, they would certainly be gobbled up by a whole suite of voracious predators ranging from little insects to large mammalian herbivores. Indeed, not only do plants defend themselves, ...
Plants & Animals
Apr 23, 2010
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Bringing dehydrated plants 'back to life'
Drought can take a serious toll on plants and animals alike. When cells are deprived of water, they shrink, collapsing in upon themselves and, without water as a medium, chemicals and enzymes inside the cells may malfunction. ...
Plants & Animals
Apr 1, 2010
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Can the morphology of fossil leaves tell us how early flowering plants grew?
Fossils and their surrounding matrix can provide insights into what our world looked like millions of years ago. Fossils of angiosperms, or flowering plants (which are the most common plants today), first appear in the fossil ...
Plants & Animals
Mar 23, 2010
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What should goldenrod do to avoid an insect attack? Duck
A field of golden-flowered stems swaying in an autumn breeze may evoke a peaceful scene. But this tranquility belies serious battles between natural enemies that took place in the spring. In particular, young goldenrod stems ...
Plants & Animals
Mar 8, 2010
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Can a single layer of cells control a leaf's size?
Ever looked carefully at the leaves on a plant and noticed their various sizes and shapes? Why are they different? What controls the size and shape of each individual leaf? Very little is known about the developmental control ...
Plants & Animals
Feb 25, 2010
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Giant fossil Prototaxites: Unraveling a 400-million-year-old mystery
Contradictions and puzzles surround the giant fossil Prototaxites. The fossils resemble tree trunks, and yet they are from a time before trees existed. The stable carbon isotope values are similar to those of fungi, but the ...
Archaeology
Feb 10, 2010
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Are new genes always better?
Re-vegetation seems like a beneficial strategy for conserving and restoring damaged ecosystems, and using a variety of species can help increase biodiversity in these systems. But what are the risks involved with introducing ...
Plants & Animals
Jan 28, 2010
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Can modern-day plants trace their New Zealand ancestry?
One hundred million years ago the earth looked very different from how it does today. Continents were joining and breaking apart, dinosaurs were roaming the earth, and flowering plants were becoming more widespread.
Plants & Animals
Jan 21, 2010
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Seeing the forest through the trees and seeing the trees through the leaves
Since the time of the earliest humans, people have attempted to understand the natural environment. We have observed our surroundings and searched for explanations for natural phenomena. Yet despite our persistence over ...
Ecology
Jan 13, 2010
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