👉 Columniferous plants are a type of flowering plant that have a root system consisting of tubers or rhizomes. These plants have a central, woody stem called a corymbedron (also known as a corm) and produce large tubular flowers with five petals. The leaves on the corymbedron are sessile, which means they do not grow at the base of the plant but rather extend above it. These plants can be found in many different habitats,
