Mammillaria painteri

Mammillaria painteri is characterized by small, spherical mounds that sprout conical or cylindrical tubercles. The globose mounds, or stems, are dark green and can range from one to eight centimeters in height and diameter. In its monstrose form, Mammillaria painteri forma mostruosa, it can grow to be larger than that. The mounds may be clustered together or singular. It typically has white or pale light yellow flowers. Rarely, it will sometimes produce light pink or magenta flowers as well. The flowers are shallow and funnel-shaped.

This species is known to withstand temperatures down to at least -2 or -5 degrees Celsius if kept completely dry. It is not known to do well in direct, intense sunlight, mainly in summer months. It is also sensitive to red spider mite.

• Craig, Robert T. "M. bocasana, M. painteri." The Mammillaria Handbook, with Descriptions, Illustrations, and Key to the Species of the Genus Mammillaria of the Cactaceae. Pasadena: Abbey Garden, 1945. 211. Print
• De Candolle. "Mammillaria Crinita Ssp Crinita." Mammillaria | All About Mammillaria Cactus Genus. Mammillaria, 15 May 2003. Web. 27 Sept. 2011. <http://mammillarias.net>.
• "Mammillaria Painteri Forma Mostruosa." Cactus-art. Web. 27 Sept. 2011. .

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