What is "salix babylonica"

Weeping willow \Weep"ing wil"low\ (Bot.) a tree ( Salix babylonica) of the willow family with slender leaves, native to China, whose branches grow very long and slender, and hang down almost perpendicularly. It grows best where soil is moist, as by the banks of streams and is widely cultivated as an ornamental tree.

Syn: Babylonian weeping willow. [PJC]

Salix babylonica (Babylon willow or weeping willow; Chinese: 垂柳) is a species of willow native to dry areas of northern China, but cultivated for millennia elsewhere in Asia, being traded along the Silk Road to southwest Asia and Europe.