Mammillaria Hahniana Cactus
Botanical Name: Mammillaria hahniana Common Names: old lady cactus Description: Mammillaria hahniana, the old lady cactus, is a species of flowering plant in the family Cactaceae, native to central Mexico. It grows to 25 cm (10 in) tall by 50 cm (20 in) broad. The solitary spherical stems, 12 cm...