13. 양귀비목 Papaverales

1. 꽃의 부분은 규칙적이다.

2. 꽃받침잎은 2 개이며 수술은 많고 심피는 2 개 또는 다수이다 ·······················································양귀비과 Papaveraceae

2. 꽃받침잎은 2개，4개 또는 다수이다.

3. 암술과 수술 밑에 대가 없거나 극히 짧은 대가 있고 수술은 6개이며 심피는 2개이다 ·····························십자화과 Cruciferae

3. 암술과 수술 밑에 대가 있으며 수술은 4 개，6 개 또는 다수이고 길이가 같으며 씨방은 1 실이다 ········ 풍접초과 Capparidaceae

1. 꽃의 부분은 불규칙하다 ·········································································································현호색과Fumariaceae