International Journal of Plant Sciences, Vol. 180, No. 2 (FEBRUARY 2019), pp. 93-127 (35 pages) Premise of research. Small angiosperm fossils are diverse in Early Cretaceous mesofossil floras from ...

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 ...

Angiosperms, also known as flowering plants, represent the most diverse group of seed plants, and their origin and evolution have long been a central ...

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 ...

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 ...