• 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 ...
International Journal of Plant Sciences, Vol. 161, No. S6, Current Perspectives on Basal Angiosperms (November 2000), pp. S97-S107 (11 pages) Patterns and trends in angiosperm evolution can only be ...
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 ...
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