Blue Leather Cactus

This modest-sized cactus grows up to 43 feet (13.1 meters) tall. The slender, pointed stem is brown, and is covered in lots of rigid bright green spines.

It is very fast growing, taking 3 months to reach maturity. Once mature, and only under the right conditions, a single flower with petals that are cream on the edges and blue at the center grows at the top, reappearing after 6 years, but only when the conditions are right again. The flower head is largely flat with handfuls of widely spaced narrow petals. It has an overpowering scent that smells like leather.

The cactus's skin is thick, the amber flesh is leathery, and the blue sap is thin.