장미과 Rosaceae

1. 열매는 골돌 및 삭과로서 성숙하면 벌어진다 ··································································· 조팝나무아과 Spiraeoideae

1. 열매는 건과 및 육질과로서 벌어지지 않는다.

2. 씨방은 상위이다.

3. 암술은 1 개이며 열매는 핵과 또는 삭과이다 ··························································· 앵두(양두)나무아과 Prunoideae

3. 씨방은 10개 또는 그 이상의 암술로 되었으며， 만일 암술의 수가 적거나 1개일 때에는 열매가 건폐과이다 ···························장미아과 Rosoideae

2. 씨방은 하위이고 심피는 2~5 개이다 ················································································· 배나무아과 Pomoideae