Learn how the extinction of dinosaurs around 66 million years ago caused seeds to grow larger, filling in an important piece ...

These structures are the defining trait of all angiosperms and one key to the success of this huge plant group, which numbers some 235,000 species. Just when and how did the first flowering plants ...

The surviving angiosperms got a boost from changes to ... of species we associate with rainforests today is an echo of those first Paleocene forests, which were a haven of biodiversity that ...

DURING the last decade or so the aspects of vegetable morphology have undergone an astonishing change, one indeed almost approaching the nature of a revolution. Many of the controversies of twenty ...