Myrtillocactus geometrizans (familiarly known as the Boobie Cactus or Breast Cactus) is a highly popular, rare Japanese cultivar of the standard Blue Candle Cactus. It is famous for its unique, sculptural stem sections that form distinct, rounded breast-like nodules topped with a single short spine at each areole.
 
• Form: Stacked, plump tuberous shapes resembling breasts. Spines are mostly harmless, minimal, and sit right at the "tip" of each bump.
• Color: Soft, matte blue-green with a powdery glaucous coating.
• Care: Exactly like its crested sibling—needs bright direct sunlight, an exceptionally gritty gravel-heavy soil mix, and minimal water (only when completely dry).
• Growth: Slow to moderate grower that can reach impressive pillar heights indoors if given adequate heat and light.