Koeberlinia spinosa is one of 3 native plant species in Arizona that have the common name of crucifixion thorn or crown of thorns or...
In southeastern Arizona Datura wrightii is the preferred source of nectar for the moth Manduca sexta and you may also notice that the caterpillar,...
Mentzelia pumila is in the family Loasaceae. Kearny and Peebles in Arizona Flora note that “the family is remarkable for the diversity and peculiar...
