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 nigra numerous minute, down-covered seeds. The leaves turn a lemon yellow in the fall. It is typically found along streams and in swamps. "Salix gooddingii" (Goodding's willow) is sometimes included in "S. nigra" as a variety, as "S. nigra" var. "vallicola" Dudley; when included, this extends the species' range to western North America. However, the two are usually treated as distinct species. Another name occasionally used for black willow is "swamp willow", not to be confused with "Salix myrtilloides" (swamp willow). According to the National Register of Big Trees, the largest black willow tree in the US is in Hennepin, Minnesota.