Salix babylonica Salix babylonica Salix babylonica (Babylon willow or weeping willow; ) 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. "Salix babylonica" is a medium- to large-sized deciduous tree, growing up to tall. It grows rapidly, but has a short lifespan, between 40 and 75 years. The shoots are yellowish-brown, with small buds. The leaves are alternate and spirally arranged, narrow, light green, 4–16 cm long and 0.5–2 cm broad, with finely serrate margins and long acuminate tips; they turn
Salix gooddingii Salix gooddingii Salix gooddingii is a species of willow known by the common name Goodding's willow, or Goodding's black willow. It was named for its collector, . "Salix gooddingii" is native to the southwestern United States and northern Mexico, where it grows in moist and wet habitat in many types of habitat from mountains to desert. It is a common riparian species. It is a tree growing to tall, with thick, furrowed, shreddy bark and many thin branches. The leaves are up to 13 cm long, generally lance-shaped, and finely serrated along the edges. The young leaves are coated in