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 delnortensis Salix delnortensis Salix delnortensis is a species of willow known by the common name Del Norte willow. The plant is endemic to the Klamath Mountains of northwestern California and southwestern Oregon. It is named for Del Norte County, California, its primary distribution locale. It is also endemic to serpentine soils. It grows in riparian zone and California mixed evergreen forest habitats, between . "Salix delnortensis" is a shrub growing tall. It forms thickets, sometimes quite large, some of which are made up of clones of one individual. The shrub has many branches, which are very brittle. The young twigs are