This is a cristata form form of the Mammillareia Spinosissima plant also known as red-headed Irishman. It has a really soft curious looking reddish spines that can resemble a red headed man.
Recommended temperature zone: USDA: 10 Frost tolerance: keep above 26°F (-3°C) Sun exposure: Light shade Origin: Morelos and Guerrero states, Mexico Growth habits: Columnar, clumping, up to 12" tall (30 cm), 4" in diameter (10 cm) Watering needs: Regular water in summer Propagation: Seeds, offsets Blooming habits: The flowers are red
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz
