Arizona white oak is Quercus arizonica. I’ve come across some magnificent ones over the years of living near them in southeastern Arizona. We also...
I neglected to mention that milkweeds are no longer in their own family Asclepiadaceae, but have now been included in the dogbane family Apocynaceae....
Both jackass clover (Wislizenia refracta) and clammy weed (Polanisia dodecandra) are in the Cleome family Cleomaceae, having left the caper family Capparaceae due to...