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UC IPM Home > Weed Photo Gallery > Identification Characteristics of Grasses > Auricles

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Identification: Characteristics of Grasses

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Auricles

Auricles are small, clasping outgrowths that may or may not be present on the leaf collar. Because they vary in size and shape, they are used in the identification process. Below are examples of different types of auricles.

Claw-like Rounded Not fully developed Absent
Illustration of claw-like auricles Illustration of rounded auricles Illustration of auricles not fully developed Illustration of absent auricles
 
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