Concept
Version 9
Created by Boundless
Primary and Secondary Growth in Stems
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Example of lenticels
Lenticels on the bark of this cherry tree enable the woody stem to exchange gases with the surrounding atmosphere.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Stems. October 17, 2013."
http://cnx.org/content/m44702/latest/Figure_30_02_08.jpg
OpenStax CNX
CC BY 3.0.