양귀비과 Papaveraceae

1. 유액은 투명하고 꽃턱은 잔같이 생겼으며 잎은 깃처럼 잘게 갈라진다   ···························································519. 금영화

1. 유액은 유백색， 황색 또는 혈적색이다.

2. 암술머리는 방사상이다 ···················································································································· 양귀비속

2. 암술머리는 방사상이 아니다.

3. 유액은 혈적색이다 ······················································································································· 피나물속

3. 유액은 등황색이다  ·················································································································516. 애기똥풀