Order Fabales, Family Fabaceae, Genus Oxytropis

I found this gorgeous plant in Gilpin County, but haven't found it in our area. It is probably lurking somewhere. It is toxic, as are so many members of Fabaceae, or Pea Family. Wikipedia and iNaturalaist have more information. Here's a highlight fromWikipedia:"Horses are very susceptible to the poisoning, and do not recover from locoism. Cattle, sheep, and horses find the plant palatable and even preferable to other forages, even when grass is readily available."

This photo is from Vermillion Basin, in Colorado.