Annals of Botany, Vol. 110, No. 1, Highlight on Traits with Ecological Functions (July 2012), pp. 177-188 (12 pages) • Background and Aims The contemporary relegation of conifers mainly to cold or ...

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 ...

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 ...

The oldest and biggest angiosperm trees in the world, the African baobabs, are dying or already dead, an international team of scientists has found. The scientists added that the spate of deaths, ...

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 ...

The angiosperms are the most recently derived plant group, originating some 160 million years ago and becoming widespread around 120 million years ago. Angiosperm means “enclosed seed,” referring to ...

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 ...

Figure 1: Arrangement of duplicated protein-encoding genes in Arabidopsis thaliana. The γ event appears to pre-date monocot–dicot divergence. Predominantly internal clustering (47–87%) was found for ...

WASHINGTON, April 24 (Reuters) - Flowering plants - from corn, wheat, rice and potatoes to maple, oak, apple and cherry trees as well as roses, tulips, daisies and dandelions and even the corpse ...

This cross section of a sequoia in Yosemite National Park in California has markers identifying the dates of tree rings. Jared Farmer What and where are the oldest known trees on the planet? If you ...