corm, vertical, fleshy, underground stem that acts as a food-storage structure in certain seed plants. … Corms have a fibrous covering known as a tunic, and the roots emerge from a smooth area at the base known as the basal plate.

What type of plant is corm?

Generally, corms are perennials and many develop into spectacular flowering plants. Gladiolus, crocus, and crocosmia are classic examples of corms. If you dug one of these plants up as it was just beginning to leaf, you would see that the underground part of the plant produces the leaf.

What is a corm stem?

A corm (or bulbo-tuber, bulbotuber) is a short, vertical, swollen underground plant stem that serves as a storage organ used by some plants to survive winter or other adverse conditions such as summer drought and heat (estivation).