Salix drummondiana Barratt ex Hook.  

Family: Salicaceae

Drummond's willow

[Salix bella Piper, moreSalix covillei Eastw., Salix drummondiana ssp. subcaerulea (Piper) A.E. Murray, Salix drummondiana ssp. subcoerulea (Piper) A.E. Murray, Salix drummondiana var. bella (Piper) C.R. Ball, Salix drummondiana var. subcaerulea (Piper) C.R. Ball, Salix drummondiana var. subcoerulea (Piper) C.R. Ball, Salix pachnophora Rydb., Salix subcaerulea Piper, Salix subcoerulea Piper]