A tree like cactus. It is a shrub and has many branches. It grows 4-7 m high. It forms distinct trunks. The stems are cylinder shaped and bright green. They are 8-12 cm across. There are 7-8 ribs and these are triangle shaped across them. The spine buds are closely spaced. There is usually one spine in the centre and it is orange or yellow and 2 cm long. There are 10-20 spines around it and they are 12 mm long. The flowers occur below the tip and open during the day. They are bell shaped and yellow. The fruit are round and purple-black. They are fleshy, sweet and edible. They are 5 cm across.