Salix sepulcralis group inheritied from its parent the twisted and contorted branches, as well as being more cold-tolerant, as "S. babylonica" var." matsudana" is native to northern China and Korea. These trees are usually no more than tall. Leaves are finely serrulate, pubescent or silky when young. Ovaries are short and flask-shaped, not much longer than the subtending catkin scale. They are usually intermediate between the parent species, showing the typical weeping willow appearance with leaves that are pale glaucous below. But as an ornamental tree with high diversity, trees may look closer to either parent or different entirely. Salix sepulcralis group The
Salix humboldtiana Salix humboldtiana Salix humboldtiana, the Humboldt's willow, is a tree species of willow native to North and South America, growing along watercourses. The species is evergreen or deciduous, depending on climate. It can grow up to 25 meters tall, with a narrow triangular or columnar crown shape. The trunk has a maximum d.b.h. of 80 cm and dark brown to gray fissured bark. Narrow lanceolate leaves up to 15 cm long, with serrate margin and light green color, in temperate climates, it turns yellow in autumn. Catkins 4–10 cm long; male flowers yellowish green, with an ovate-lanceolate bract, six stamens;