Funnel-shaped flowers are a type of flower that have a wide opening at the top and a narrow opening at the bottom. Two examples of funnel-shaped flowers are azaleas and petunias. Azaleas are flowering shrubs in the genus Rhododendron, while petunias are flowering plants in the family Solanaceae. Another example of a funnel-shaped flower is the lily, which is a flowering plant in the family Liliaceae.