Cambium
From Gardenology.org - Plant Encyclopedia and Gardening wiki
The growing or nascent tissue lying between the xylem and phloem of the fibro-vascular bundle, and therefore on the outside of the woody trunk between wood and bast, or in trees and shrubs between wood and "bark." Its function is to increase the stem in diameter.
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This article contains a definition from the Glossary of Gardening Terms. |