Aluminum phytotoxicity and genetically based aluminum resistance has been studied intensively during recent decades because aluminum toxicity is often the primary factor limiting crop productivity on ...

For many years, Charles Darwin was haunted by flowers. In 1859, the naturalist published his most famous work, On the Origin of Species, the book that is generally regarded as the foundation of ...

Figure 1: Hypothetical tree topologies and summary of orthogroups consistent with ancient gene duplications before the split of monocots and eudicots. In summary, our conservative filtering procedure ...

I. There is an intimate connection between the type of nodal anatomy (one, three or many traces and gaps) and the occurrence of stipules and similar structures in dicotyledons. In the majority of ...

The discovery of exceptionally well-preserved, tiny fossil seeds dating back to the Early Cretaceous corroborates that flowering plants were small opportunistic colonizers at that time, according to a ...

A tiny flower pressed between layers of sandstone for more than 160 million years could be the oldest flower fossil ever found, a new study reports. However, not everyone agrees that the fossil ...

We may recognize our world by its flowering plants and trees, but evolutionarily speaking angiosperms are the new kids on the block, coming after epochs when giant fungus ruled the Earth and ...

Plant powerhouses Fossil evidence confirms that the first rainforests sprang up around 65 million years ago when a boost to flowering plants' plumbing system turned them into photosynthesising ...

They are very tiny, but they are a key source of information when it comes to Earth's evolutionary history: pollen grains are usually no larger than 20 micrometers, or 0.02 millimeters. Using these ...

ARGUABLY the world’s weirdest plant, Welwitschia mirabilis is a tangled mass of shredded, fraying leaves in the Namib desert. For a thousand years, perhaps more, it grows just two long leaves, which ...