15. 장미목 Rosales

1. 씨방상위이다.

2. 꽃부리는 규칙적 형태이다.

3. 꽃잎은 하위이다.

4. 식물체는 육질적이다 ································································································ 돌나물과 Crassulaceae

4. 식물체는 다육질이 아니다.

5. 꽃받침과 꽃부리가 작거나 없다 ··············································································· 버즘나무과 Platanaceae

5. 꽃받침과 꽃부리가 보통 있다.

6. 잎은 대개 낙엽성이다 ······················································································· 범의귀과 Saxifragaceae

6. 잎은 상록성이다 ····························································································· 돈나무과 Pittosporaceae

3. 씨방중위이다.

7. 열매는 꼬투리이다 ····································································································· 콩과 Leguminosae

7. 열매에는 삭과, 수과 및 핵과가 있다.

8. 수술은 많다 ············································································································· 장미과 Rosaceae

8. 수술은 5-10 개이다.

2. 꽃부리는 불규칙하게 갈라졌다.

9. 심피는 2 개 이상이고 열매는 삭과이다   ····························································································범의귀과

9. 심피는 1 개씩이고 열매는 꼬투리이다  ·································································································· 콩과

1. 씨방하위이다.

10. 꽃부리가 없다   ··································································································조록나무과 Hamamelidaceae

10. 꽃부리가 있다  ································································································ 장미과 • 조록나무과 • 범의귀과

                                                                            두충과 Eucommiaceae·····················693. 두충