California Hazelnut

Multiple Trunks
(1 of 7) (5140 views)

California_Hazelnut_Huckleberry_Botanic_Regional_Preserve_20100612_134850_6180BCX.jpg

Although called a tree, it is actually a very tall, multi-stemmed shrub.


California Hazelnut (Corylus californica)   •  Huckleberry Botanic Regional Preserve internal link   •  East Bay Regional Park District   •  Skyline Boulevard, Oakland, California   •  (Photo posted Friday 29 October 2010)   •  (Photo taken 13:48:50 Saturday 12 June 2010)   •  © 2010 Bryan Costales Creative Commons Attribution-NonCommercial License #134850_6180BCX
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Smooth Stems
(2 of 7) (3167 views)

California_Hazelnut_Huckleberry_Botanic_Regional_Preserve_20100612_134858_6181BCX.jpg

The stems were smooth and varied in color from a medium gray to almost charcoal.


California Hazelnut (Corylus californica)   •  Huckleberry Botanic Regional Preserve internal link   •  East Bay Regional Park District   •  Skyline Boulevard, Oakland, California   •  (Photo posted Friday 29 October 2010)   •  (Photo taken 13:48:58 Saturday 12 June 2010)   •  © 2010 Bryan Costales Creative Commons Attribution-NonCommercial License #134858_6181BCX
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Copious Leaves
(3 of 7) (3380 views)

California_Hazelnut_Huckleberry_Botanic_Regional_Preserve_20100612_134902_6182BCX.jpg

This shrub grows in dry woodlands and forest edges and can reach 8 meters tall. Although the core stems were shaded and bare, the upper branches were full of leaves.


California Hazelnut (Corylus californica)   •  Huckleberry Botanic Regional Preserve internal link   •  East Bay Regional Park District   •  Skyline Boulevard, Oakland, California   •  (Photo posted Friday 29 October 2010)   •  (Photo taken 13:49:02 Saturday 12 June 2010)   •  © 2010 Bryan Costales Creative Commons Attribution-NonCommercial License #134902_6182BCX
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Older Leaves
(4 of 7) (3113 views)

California_Hazelnut_Huckleberry_Botanic_Regional_Preserve_20100612_134948_6183BCX.jpg

The oldest leaves were near the bottom. They were large and a deep green, and were clearly shaded by the newer, upper leaves.


California Hazelnut (Corylus californica)   •  Huckleberry Botanic Regional Preserve internal link   •  East Bay Regional Park District   •  Skyline Boulevard, Oakland, California   •  (Photo posted Friday 29 October 2010)   •  (Photo taken 13:49:48 Saturday 12 June 2010)   •  © 2010 Bryan Costales Creative Commons Attribution-NonCommercial License #134948_6183BCX
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Upper Leaves
(5 of 7) (3221 views)

California_Hazelnut_Huckleberry_Botanic_Regional_Preserve_20100612_135036_6184BCX.jpg

The upper leaves were a healthy light green, and the upper branches looked more like a tree than a shrub.


California Hazelnut (Corylus californica)   •  Huckleberry Botanic Regional Preserve internal link   •  East Bay Regional Park District   •  Skyline Boulevard, Oakland, California   •  (Photo posted Friday 29 October 2010)   •  (Photo taken 13:50:36 Saturday 12 June 2010)   •  © 2010 Bryan Costales Creative Commons Attribution-NonCommercial License #135036_6184BCX
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Oval Leaf
(6 of 7) (3629 views)

California_Hazelnut_Huckleberry_Botanic_Regional_Preserve_20100612_135044_6186BCX.jpg

The leaf was a rounded oval in shape, coarsely double-toothed along its edge. The under part of the leaf felt fuzzy. The leafs were roughly 3 inches (8 cm.) long, and roughly 2 inches (5 cm.) wide.


California Hazelnut (Corylus californica)   •  Huckleberry Botanic Regional Preserve internal link   •  East Bay Regional Park District   •  Skyline Boulevard, Oakland, California   •  (Photo posted Friday 29 October 2010)   •  (Photo taken 13:50:44 Saturday 12 June 2010)   •  © 2010 Bryan Costales Creative Commons Attribution-NonCommercial License #135044_6186BCX
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Branch Detail
(7 of 7) (3187 views)

California_Hazelnut_Huckleberry_Botanic_Regional_Preserve_20100612_135140_6188BCX.jpg

Detail of a branch with new leaves sprouting from its joint. Flowers and nuts only appear in the spring. This was mid summer.


California Hazelnut (Corylus californica)   •  Huckleberry Botanic Regional Preserve internal link   •  East Bay Regional Park District   •  Skyline Boulevard, Oakland, California   •  (Photo posted Friday 29 October 2010)   •  (Photo taken 13:51:40 Saturday 12 June 2010)   •  © 2010 Bryan Costales Creative Commons Attribution-NonCommercial License #135140_6188BCX
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