Yellow

This enormous cactus grows up to 139 feet (42.4 meters) tall. It splits randomly along the body to form 6 very thin stems. Each stem is yellow, and is covered in thousands of rigid orange spines.

It is slow growing, taking 42 years to reach maturity. Once mature, and only under the right conditions, a single flower with beige petals and a yellow center grows at the top, reappearing after 6 years, but only when the conditions are right again. The flower head is made up of many petals in raised layers. It has a scent whose strength depends on external factors, such as soil quality and rain frequency that smells like musk.

The cactus's skin is nearly impenetrable, the light brown flesh is smooth, and the blue sap is thin and causes diarrhea if consumed.