Fossils of angiosperms first appear in the fossil record about 140 million years ago. Based on the material in which these fossils are deposited, early angiosperms must have been weedy, fast-growing ...

The characteristics of flowers influence most aspects of angiosperm reproduction, including the agents of pollination and patterns of mating. Thus, a clear view of the forces that mediate floral ...

Scientists still strain to make sense of angiosperms' widespread success, which Darwin called an “abominable mystery.” In the last years of his life, Charles Darwin was tormented by an apparent ...