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
Phyllonorycter salicifoliella Phyllonorycter salicifoliella Phyllonorycter salicifoliella is a moth of the Gracillariidae family. It is widespread across North America, from Mississippi to Ontario in the east and from southern California to northern British Columbia in the west. The length of the forewings is 3–4 mm. Adults are on wing from July to mid-August and again from late August to November in two generations. The larvae mostly feed on "Salix" species, including "Salix alba", "Salix amygdaloides", "Salix babylonica", "Salix bebbiana", "Salix bonplandiana", "Salix caroliniana", "Salix eriocephala", "Salix lasiolepis", Salix "longifolia", "Salix lutea", "Salix monticola", "Salix purpurea", "Salix x rubens" ("Salix alba" x "Salix