Salix humboldtiana

See description for Salix chilensis which is only grown as this cultivar.

Source: Spencer, R. (1997). Salicaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press. (as Salix chilensis)

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Malpighiales
family       Salicaceae
genus        Salix L.