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Star cactusSand Dollar Cactus is grown as a houseplant like other members of its genus and despite its rarity in the wild. It is readily propagated from seed, so most plants encountered in nurseries are seed grown. The popularity of this species among collectors and enthusiasts has ensured that a number of cultivars are available. One such cultivar is the 'Super Kabuto', a highly spotted white clone.
Star cactus is dull green or brownish and often has a speckled appearance due to a covering of tiny white scales. The plant is divided into eight triangular sections, each with a central line of circular indentations filled with whitish wooly hairs. Flowers are yellow with orange centers, and 2-3 inches in diameter. More