Tubers, corms and bulbs, oh my!

A rhizome is a stem that runs either along or just beneath the surface of the soil.

For those that don't have a good grasp on the term stem, a stem is the base, central axis and main support of a plant normally divided into nodes and internodes. The nodes often produce a leaf in the axil of which they produce roots and hold buds which may grow into shoots of various forms. The stem's roots anchor the plant either to the ground, a tree or to a rock and may
spread as a repent rhizome meaning it creeps across the soil.   The stem may either grow above ground, underground or partially above the soil. As Christopher stated the specialized stem forms are called a corm, tuber or bulb but the only term that is applicable to an aroid is tuber.

That info was verified courtesy of Dr. Croat for an article I will have in the next issue of Aroideana.

Steve
www.ExoticRainforest.com



E.Vincent Morano wrote:
All good info! But this begs the question. What then is a rhizome? it doesnt look like tuber corm nor bulb.





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