Oaks at the Center Image Gallery

Outer Bark

Inner Bark

Cambium: Where all secondary growth happens in a tree. Phloem cells, or bark, are produced to the outside of the cambium layer and Xylem cells, or sapwood, are produced to the inside. This secondary growth causes a tree to increase in girth.

Cambium: Where all secondary growth happens in a tree. Phloem cells, or bark, are produced to the outside of the cambium layer and Xylem cells, or sapwood, are produced to the inside. This secondary growth causes a tree to increase in girth.

Annual Growth Rings

Sapwood

Heartwood

 

 

 

 

 

 

 

Tree Timeline Images

Southern Pacific Railroad

Southern Pacific Rail Road

California Polytechnic State University

Golden Gate Bride Opened

Pearl Harbor

19th Amendment Gives Women the Right to Vote

Santa Margarita Community Center

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