Mammillaria spinosissima subsp. pilcayensis

Mammillaria Spinosissima Common Names include: RUSSIAN (Русский): Маммиллярия колючейшая SWEDISH (Svenska): Nålvårtkaktus Description: Mammillaria spinosissima is commonly cultivated around the world, often found in plant nurseries and private collections, and is nicknamed the “red-headed Irishman” because the most common cultivated forms have red or rust spine. Habit: Simple at first. later often clustering. Stem: Cylindrical, dark blue-green 7-30(-50) cm. long (2,5)6-7(-10) cm. in diameter,