attached to the stigma (2) atop the central stalk of a morning glory flower, a member of the Convolvulaceae family. Click on the right arrow to see more pollen grains in the process of germinating. In ...

There’s no need to call the fire department. This fiery column is merely the top of a flower’s pistil. The orange structures you see within the blue outline are called xylem. There’s no need to call ...