I neglected to mention that milkweeds are no longer in their own family Asclepiadaceae, but have now been included in the dogbane family Apocynaceae....
Nama hispidum is in the Waterleaf Family (Hydrophyllaceae). There are eight species of Nama found in Arizona and for those of us that live...
I grew up in Kentucky where the state flower is goldenrod. The particular species that has that honor is Solidago gigantea. I wonder how...