Why do onions grow the way they do--in easily separated rings?

Subject: Why do onions grow the way they do--in easily separated rings?

Date: Mon Feb 19 13:01:04 2001
Posted by Frank
Grade level: No grade entered. School: Argonne National Laboratory
City: Argonne State/Province: Illinois Country: USA
Area of science: Botany
ID: 982605664.Bt

Message:

Onions grow in generally concentric, nested spherical structures that easily separate into rings when cut in cross section. Why do they grow in this manner unlike other root crops such as turnips and beets, and how are the layers formed as the onion grows - do they start out with all layers or are they added as it grows?

Re: Why do onions grow the way they do--in easily separated rings?

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