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Corm, bulbo-tuber, or bulbotuber is a short, vertical, swollen underground plant stem that serves as a storage organ that some plants use to survive winter or other adverse conditions such as summer drought and heat (perennation). The word cormous usually means plants that grow from corms, parallel to the terms tuberous and bulbous to describe ...
Corm, vertical, fleshy, underground stem that acts as a food-storage structure in certain seed plants. It bears membranous or scaly leaves and buds and stores starches to fuel growth and to help plants survive unfavorable conditions. Many corms produce offshoots that are used for asexual reproduction.
- The Editors of Encyclopaedia Britannica
People also ask
What does corm stand for?
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Oct 4, 2022 · Just like rhizomes and tubers, corms are specialized sections of the stem. In the case of corms, these usually appear flattened to slightly round. Roots grow from the base of the corm under the surface of the soil. The structure has membranous to scaly leaves. In most cases, the parent corm dies back and the cormlets are the source of the plant ...
- Bonnie L. Grant
- Biology
- Terminology
- Examples
- Description
- Morphology
Certain plants have a swollen, underground plant stem called a \"corm.\" The purpose of this stem is to store nutrients, food that the plant will use at a future time. Nutrients stored in the corm during one growing season will help in the production of roots, leaves, and flowers for the next growing season.
To the horticulturist, the terms \"bulbs,\" \"tubers,\" \"rhizomes,\" and \"corms\" all have distinct meanings. But when gardeners are speaking casually, they often fail to make a distinction between them. Instead, they loosely call all of these swollen, underground plant parts \"bulbs.\" But if you want to lump them all together using one word, th...
The crocus (Crocus vernus) is an example of a small plant that grows from a corm. Its rounded corm measures roughly 1 inch in diameter. A larger plant that springs from a corm is the snake lily (Amorphophallus konjac). The corm of a mature snake lily is hassock-shaped and can measure 10 inches at the widest point across, 9 inches front to back, and...
Like crocuses, these plants have bulbous, underground plant parts that can survive cold winters, and their flower stems push up through the ground in spring. But true bulbs are divided into layers (think of an onion), including a papery outer layer. Corms are not divided in this way; rather, they are solid units.
Still, other plants grow from rhizomes. Rhizomes are modified, swollen stems that grow horizontally. They often appear as nothing more than roots. Like tubers, rhizomes have buds from which new plants sprout. But tubers do not grow horizontally.
Aug 31, 2019 · The claw-like corms can be planted in borders, but are ideal grown in large containers. You can enjoy several months of colour by planting the corms at different times – in April for June and July flowers, in June for September flowers, and in September and October for late winter and early spring blooms (they will need some protection over winter - a cold frame is ideal).
A corm is a swollen stem base covered with a tunic, and it lacks the fleshy scales found in bulbs. Examples include Crocus corms and Gladiolus corms. Unlike bulbs, corms are solid inside, with nutrients stored in the starchy tissues. As the plant grows, the corm uses up its stored nutrients and often shrivels.
