According to Tree Guide by Johnson & More (HarperCollins Publisher): Salix babylonica is Corkscrew willow (also as Salix matsudana), and Salix x sepulcralis is Weeping willow. When googled for Salix babylonica, almost all results returned as Weeping willow!??? If googled for Salix matsudana, results are Corkscrew willow - ok! Googling for Salix x sepulcralis returned Weeping willow - ok! So, what's with Salix babylonica? Which one is it already - weeping or corkscrew? Hope you can clear this up for me! Thanx!