mammillaria gracilis oruga

Native to Mexico, Mammillaria gracilis 'Oruga' inhabits rocky limestone slopes. It is a clumping, polycarpic species with elongated narrow tubercles, an unusual trait within Mammillaria, which typically exhibits stouter tubercles. Clumping stems 5-8 cm long with narrow tubercles arranged spirally; thin white spines up to 1.5 cm. Light green epidermis shifting to grayish in summer as solar protection.