This is a preview. Log in through your library . Abstract This paper reviews the origin, nature, systematic distribution, and the respective function of the highly variable and diverse thread-forming ...
Durham, NC – Flowering plants may be considerably older than previously thought, says a new analysis of the plant family tree. Previous studies suggest that flowering plants, or angiosperms, first ...
Aim: Xylem structures are closely related to a tree's hydraulic efficiency and mechanical stability, both of which affect the life history and ecological strategy of a species. Although mechanical ...
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 ...
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 ...
Paleontologists may be on the verge of solving one of the great mysteries in the history of life on our planet – the origin of angiosperms, the flowering plants. The importance of angiosperms cannot ...
"A compilation of the papers presented at the symposium 'Phytochemistry and angiosperm phylogeny' held on August 15, 1979, at Oklahoma State University, Stillwater, under the primary sponsorship of ...
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