Root is a computer term that has various meanings, depending on the context in which the word is being used. It could refer to the operating system's root directory. In the Linux and Unix operating system, there is a root user. Root has a different meaning when referring to data structure.
Photinia fraseri-Robusta. Photinia fraseri-Robusta is easy to grow, dense, tall hedge with striking red new growth.It is suitable for a full sun to part shade position, frost tolerant and requires little water once established.
Some botanists also put them in the genus Photinia and that is by no means settled. Other botanical names for the Chokeberry have been Aronia arbutifolia (the red one) Aronia nigra, Photinia melanocarpa, Pyrus arbutifolia (red) Pyrus melanocarpa, and Sorbus melanocarpa. A. prunifolia and A. floribunda might be hybrids.