Pentamerous, actinomorphic flowers, bicarpellary ovary with oblique septa and capsule or berry fruits are the characteristic features of family Solanaceae.
Brassicaceae: Dimerous or tetramerous, actinomorphic but sometimes zygomorphic flower, bicarpellary ovary with a false septum (called replum), fruit is siliqua or silicula.
Liliaceae: Trimerous, actinomorphic flower, tricarpellary, syncarpous ovary, fruit is berry or capsule.
Asteraceae: Pentamerous, actinomorphic or zygomorphic flower, bicarpellary, syncarpous, unilocular ovary, fruit is cypsella.