👉 Oligostomis is a genus of plant species in the family Melastomataceae, which includes the common cactus and some succulents. These plants are characterized by their thin stems, which may be used for growing small plants or as a substrate for growing larger ones. Oligostomis plants typically have a single stem that is about 0.5 to 1 m (2-3 ft) long, with an occasional secondary shoot extending from the center of