Stenocactus multicostatus
With the common name the brain cactus, is native to the deserts of Mexico. It has nearly hunred thin ribs around the outside, with 6-9 spines each. Also known as Echinofossulocactus multicostatus.
Stenocactus obvallatus (rare spines) - 10 seeds
$7.99
Stenocactus obvallatus is a ball-shaped, cactus with wavy-margined ribs. White areoles each bear 5–12 greyish-brown spines. In spring, has pale yellow to pale pink flowers, with a purplish-red stripe on each petal. Stenocactus obvallatus is strictly related to Stenocactus multicostatus. However the two are easy to tell apart. E. multicostatus plants have many pale green ribs (as many as 120) where Stenocactus obvallatus typically has less than 50 blue-green ribs.