MacDougal Nipple Cactus — Image by kenne
MacDougal Nipple Cactus (Mammillaria heyderi var. macdougalii) is a large, flattened
cactus that grows on hillsides in the desert grassland above 4000 ft elevation.
The large yellow flowers usually open in a full ring.
— kenne
I don’t think I would like THESE nipples! 😀