Do Waldsteinia and Obregonia contain the same number of species?
Obregonia Obregonia, the artichoke cactus, is a genus of cacti with a single species, Obregonia denegrii. The species is endemic to the state of Tamaulipas in Mexico.
Waldsteinia lobata Waldsteinia lobata, or piedmont barren strawberry, is a low-lying perennial herb with evergreen leaves that turn burgundy red in fall. The flower is yellow and the fruit is brown and dry.