A new study suggests that there is a third type of wood—known as “midwood”—that could explain the nanoscale architecture of ...

IN the history of angiosperm embryology there have been three distinct periods: the first, in which the chief aim was to unravel the chief facts regarding the development of the pollen and embryo ...

Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. Botanical Gazette Vol. 26, No. 3, Sep., 1898 The Origin of Gymnosperms and the Seed H... The Origin ...

Results of the study, titled "Dosage Sensitivity Shapes Balanced Expression and Gene Longevity of Homoeologs after Whole-Genome Duplications in Angiosperms," were published in The Plant Cell.

In the summer of 1973 sunflowers appeared in my father's vegetable garden. They seemed to sprout overnight in a few rows he had lent that year to new neighbors from California. Only six years old ...

Angiosperms produce flowers and fruits, which contain their seeds. Scientists think they have the answer to a puzzle that baffled even Charles Darwin: How flowers evolved and spread to become the ...

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 volume also chronicles major episodes in the evolutionary history of insects from their modest beginnings in the Devonian and the origin of wings hundreds of millions of years before pterosaurs ...