Here is some Silvery Lupine (Lupinus argenteus) I photographed while hiking atop Wetherill Mesa in Mesa Verde, Colorado. It is probably so named “because of the silvery sheen to the leaves in a certain light.”

I noticed that it bears bean pods:

Good thing I didn’t try to eat these, because according to FalconGuides’ Central Rocky Mountain Wildflowers, “Lupines have poisonous alkaloids concentrated in their seeds.” (page 32)