About Tephrocactus alexanderi (Britton & Rose) Backeb.
Tephrocactus alexanderi (Britton & Rose) Backeb. grows as globular lobes that sprout from one another to form clumps. Its plant segments range in color from blue-green to purple when exposed to full sun. Most individuals do not develop spines, though some spines may grow from the plant's upper areoles. Its flowers are light pink to white, with a darker stripe running down the center of each petal.