This succulent shrub, known as Euphorbia didiereoides, features upright stems and compact branches adorned with robust grey spines that have a hint of reddish colour at their tips. It can reach a height of 8.2 feet (2.5 m). The stems have a diameter of up to 6 inches (15 cm) near the base, gradually tapering to around 1.2 inches (3 cm) at their apex. The branches measure up to 0.8 inches (2 cm) in length. The leaves have an oval shape and are predominantly green, with a hint of red. The flowers are small, green, and can be found in dense groups.