Typical Forms of Corolla. 3, Unguiculate notched petal (pink).

Flower Petal

Typical Forms of Corolla. 3, Unguiculate notched petal (pink).

Typical form of Corolla. 4, Hypogynous petals (buttercup).

Petal

Typical form of Corolla. 4, Hypogynous petals (buttercup).

Typical form of Corolla. 15, Spurred (violet, lower petal).

Violet Petal

Typical form of Corolla. 15, Spurred (violet, lower petal).