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 ...
Machine generated contents note: Preface; 1. Introduction to angiosperms; 2. The nature of the angiosperm fossil record; 3. The environmental context of early angiosperm evolution; 4. Stratigraphic ...
The male flower of Hedyosmum (Chloranthaceae) has been described by all authors for almost two centuries as unistaminate, naked, and ebracteate. It is not so at all, but a flower that bears up to ...
Angiosperms, also known as flowering plants, represent the most diverse group of seed plants, and their origin and evolution ...
• Background Understanding the mode and mechanisms of the evolution of the angiosperm flower is a long-standing and central problem of evolutionary biology and botany. It has essentially remained ...
Flowering plants may have evolved 250 million years ago, more than 100 million years earlier than the oldest fossilised flowers so far found. Today, flowering plants – known as angiosperms – are the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback