Blue Spruce

 

Photo: Matthew Richardson

 

Photo: Matthew Richardson
Needles stiff, sharp, pointed, angular/square, white powdery.  Sessile on sterigmata (lack a petiole).  Bark flaky and peely.  Cones hang in pendant-like fashion.  Branches make whorls going up the tree.  Female cones on top; male cones below. . .prevents self polination/inbreeding.