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short, thickened underground stem, usually covered with papery leaves. A corm grows vertically, producing buds at the upper nodes and roots from the lower surface. Corms serve as organs of food storage and in some plants (e.g., crocus and gladiolus) of asexual reproduction; they are often mistakenly called bulbs.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



an underground shoot of a plant with an exterior that resembles a bulb (it is often called a bulb); however, its structure is similar to that of a tuber. The scaly leaves are dry and membranous. The nutritive reserve is stored in the pulpy stem. Corms are found in several plants, including crocuses, gladioli, and saffrons.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


A short, erect, fleshy underground stem, usually broader than high and covered with membranous scales.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


Botany an organ of vegetative reproduction in plants such as the crocus, consisting of a globular stem base swollen with food and surrounded by papery scale leaves
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
A different type of CORM, known as CORM ALF492, has been shown to fully protect mice against experimental cerebral malaria and acute lung injury via controlling CO delivery in vivo without affecting [O.sub.2] transport by hemoglobin.
Mice and voles love to snack on saffron corms, and rabbits eagerly nibble the leaves to the ground.
You wanted to play along with Corm, to give him a chance to do what you couldn't do.
When corms arrive, don't wait long to plant because they can dry up.
Emergence in turn displayed positive correlation with corm weight and total yield.
Since 2008, a particular group of light-activated CORMs (also called photo-CORMs) has received most of the scientific interest.
In the gallery's ground floor space, Esanu has arranged an accessible selection of the sort of works for which Corm was known, among them some of his nudes -- daring for 1920s Lebanon -- a selection of beautifully executed charcoal sketches and a number of portraits, one of which is accompanied by two preparatory color studies.
Some physical properties of saffron crocus corm. Cercetari Agronomice in Moldova, 1: 17-29.
Corm starts his discussion by showing the diversity of a region that has existed at the geographical level since ancient times.
By using this geographical orientation, Corm attempts (largely successfully) to break free from the religion-oriented analyses of the region, instead focusing on topics such as the failure of the Middle East to modernize during the 18th and 19th centuries, and why the current politics of the region are characterized by division and conflict.