Myrtillocactus geo. 'Fukurokuryuzinboku' (Boobie Cactus)Myrtillocactus geometrizans 'Fukurokuryuzinboku' is a strange cactus with upright, glaucous stems, each with 5 to 8 unusual ribs lined with tubercles that resemble women's breasts. The stems grow up to 14. 8 feet (4. 5 m) tall and 4 inches (10 cm) in diameter, usually solitary or sometimes with a few branches. Each areole may have up to 9, but they typically have 3 to 5 short spines. T hey are semi hardy, so ensure your Myrtillocactus are not exposed