mammillaria longimama

Native to central Mexican mountainous areas, Mammillaria longimama inhabits limestone rocky slopes between 1500 and 2200 meters elevation. It is a polycarpic species with cylindrical stems up to 15 cm tall. Notably, it features longer, thinner spines than typical Mammillaria species. Cylindrical stems 10-15 cm tall with conical tubercles arranged spirally. Radial spines up to 3 cm, thin, whitish-yellow; central spines absent or minimal. Epidermis light green without marked seasonal color changes.