| The Diagrams below indicate all of the
major components of a stem like Coleus after a considerable amount of
Secondary Growth due to the Vascular Cambium & Cork Cambium. See if you can locate the Critical Structures! |
 Secondary Xylem (Red) occupies the Center of the Stem. |
 The Vascular Cambium is located along the outside of the Secondary Xylem. |
 The Secondary Phloem (Purple) is located just outside the Vascular Cambium. |
 The Phellogen (Yellow) is outside of the Secondary Phloem. |
 The Periderm (Orange-Red) is produced by the Phellogen (Cork Cambium). |
 Lenticils represent hyperactive regions of the Phellogen. |
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