Auricle (botany)

Two species of cyclamen: without auricle (left); with auricles at bases of petals (right)
Auricles at the base of stem leaves of Capsella bursa-pastoris, shepherd's purse.

In botany, an auricle is a small ear-like projection from the base of a leaf or petal. They are often important when identifying plants, especially grasses. Auricles may clasp the stem or be free, and may have hairs.

References

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