Salix 'Chrysocoma' it is much hardier and more long-lived than the Babylon Willow ("Salix babylonica"). This particular cultivar is easily distinguished from the other Golden Weeping Willow ("S." × "sepulcralis") by its androgynous catkins. A weeping tree, not much more than 22m high. Bark greyish-brown, deeply fissured. Twigs very slender, at first thinly subadpressed pubescent, soon becoming glabrous. Golden- or greenish-yellow in their first year, later becoming olive-green. Catkins appearing with the leaves in April, terminal on very short, spreading, leafy, lateral shoots, peduncle and rhachis softly villose. Catkins male, female or most commonly androgynous. Salix 'Chrysocoma' "Salix" × "sepulcralis" <nowiki>'Chrysocoma'</nowiki>, or
Salix alba was isolated to its crystalline form in 1828 by Henri Leroux, a French pharmacist, and Raffaele Piria, an Italian chemist, who then succeeded in separating out the acid in its pure state. Salicylic acid, like aspirin, is a chemical derivative of salicin. Salix alba Salix alba, the white willow, is a species of willow native to Europe and western and central Asia. The name derives from the white tone to the undersides of the leaves. It is a medium-sized to large deciduous tree growing up to 10–30 m tall, with a trunk up to 1 m diameter and an irregular,