Which Plants Are Corms

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. The storage organ may look like a bulb, but it has no layers like a true bulb.

Is an onion a corm?

A tunicate bulb has a papery, outer scale called a tunic that helps prevent it from drying out. Examples include onion, garlic, narcissus, and amaryllis. … A corm is similar to a true bulb in that it is an enlarged, underground stem with a basal plate.

Are tulips bulbs or corms?

The term ‘bulb’ not only refers to ‘true bulbs’, such as daffodils but also corms, rhizomes and tubers. There are two main planting times for bulbs. Spring bulbs, such as daffodils, tulips, crocus and bluebells are planted in autumn; they then die back and go dormant in summer.