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Tuesday, May 12, 2009

Shortspine Horsebrush-Tetradymia spinosa

This brightly colored yellow flower is in the Sunflower Family (Asteraceae), on a small bush. Looking closer,  one can see small spines on the branches, a good clue to its identity: Shortspine Horsebrush (Tetradymia spinosa). Other common names are spiny horsebrush, cat-claw horsebrush, thorny horsebrush, and cottonthorn.

This is one of four Tetradymias in the area. 

In the photo above, you can see the grey color of the leaves and calyx.
For more information about shortspine horsebrush, click here.

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