The shape of corolla may be
A. Tubular
B. Funnel-shaped
C. Bell-shaped
Shapes of corolla may be
Campanulate : In this type of corolla, 5 gamopetalous petals are present. It's shape is similar to a bell. E.g., Tobacco, Raspberry, flowers of Campanula.
Funnel shaped : In this, 5 gamopetalous petals are found. It's shape is similar to a funnel. E.g., Datura, Railway creeper.
Tubular : In this, 5 gamopetalous petals are found which form tubular or cylindrical structure. E.g., Disc florets of sunflower which are situated in the centre.
Rotate : In this, 5 gamopetalous petals are found and the fused part is formed above small tube and the petals are arranged in a whorl above the tube. E.g., Brinjal.
Besides this, there are several other shapes of corolla is seen in various species.
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