Fouquieria diguetii (Palo Adan, Adam's Tree)

Fouquieria diguetii, commonly known as Palo Adan or Adam's Tree, is a fascinating succulent shrub native to the Sonoran Desert in Mexico. It features a unique and exotic appearance with spiny stems and bright green leaves that grow in a radial pattern at the top of the branches. During the spring, it produces showy clusters of red tubular flowers that attract hummingbirds. This slow-growing plant can reach a height of up to 10 feet and a width of 6-8 feet.