It’s a little bit of a leap from talking about a plant in the aster family to talking about Senna in the pea family....
Out in the borderlands near me I find mariola (Parthenium incanum) on the gravelly slopes and plains of the Desert Grassland and Chihuahuan Desert....
The Dainty Sulfur (Nathalis iole) flies year round all over Arizona, especially on mild days. The western pygmy blue (Brefidium exile) is the smallest...