Mammillaria carmenae is a small solitary or clustering cactus with globose stems, the areoles with about 100 cream radial spines; white or pink-tinged flowers 1cm in length are borne towards the apex of each stem in spring and summer.
Mammillaria carmenae is a small solitary or clustering cactus with globose stems, the areoles with about 100 cream radial spines; white or pink-tinged flowers 1cm in length are borne towards the apex of each stem in spring and summer.