이판화(쌍자엽식물)

관속식물 Tracheophyta

피자식물문 Angiospermae

쌍자엽식물강 Dicotyledoneae, Magnoliopsidae

이판화아강 Cholipetalae, Archichlamydeae

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1. 꽃잎은 없거나 있을 때에는 서로 떨어져 있다 ······································································이판화아강 Archichlamydeae

2. 꽃잎은 대개 없으나 있을 때에는 서로 떨어져 있다 ··········································································무판화군 Apetalae

3. 화피는 없거나 포같이 생겼다.

4. 꽃은 양성 또는 단성이며 수상화서에 달린다 ···········································································1. 후추목 Piperales

4. 꽃은 단성이며 적어도 수꽃은 꼬리꽃차례에 달린다 ······················································· 꼬리꽃차례군 Amentiferae

5. 상위씨방이다.

6. 열매에 종자가 1 개씩 들어 있고 암술머리는 2 개이다 ························ 2. 소귀나무목 Myricales ··········· 7. 소귀나무

6. 열매에 종자가 4 개 이상씩 들어있다 ········································································3. 버드나무목 Salicales

5. 하위씨방이다.

7. 단엽이다 ·············································································································5. 참나무목 Fagales

7. 우상복엽이다 ······························································································· 4. 가래나무목 Juglandales

3. 꽃받침이나 꽃잎 같은 화피가 있다.

8. 상위씨방, 꽃은 대개 양성이며, 심피는 2 개 또는 그 이상이고 합생한다.

9. 심피는 3 개이고 잎에는 대개 잎집 같은 턱잎이 있다 ·······················································9. 마디풀목 Polygonales

9. 심피는 2 개 또는 그 이상이고 옆에는 옆집 같은 턱잎이 없다.

10. 밑씨는 직생 또는 독립중앙태좌이다 ·····································································10. 석죽목 Caryophyllales

10. 밑씨는 대부분 정생한다 ·························································································6. 쐐기풀목 Urticales

8. 씨방은 대개 하위이다.

11. 수술은 화피 열편과 대생하고 일부 붙었으며 식물체는 흔히 부분적인 기생을 한다 ························· 7. 단향목 Santalales   

11. 수술은 화피 열편과 호생하며 붙지 않았고 독립영양 때로는 부분적인 기생을 한다 ················ 8. 쥐방울덩굴목 Aristolochiales ··········· 쥐방울덩굴과 Aristolochiaceae

2. 일부 퇴화형을 제외하고는 꽃잎이나 꽃받침 같은 화피가 있다 ······················································· 다판화군 Polypetalae

12. 씨방은 대개 상위이다.

13. 꽃의 부분은 나선상으로 배열하고 서로 붙지 않았다 ·················································11. 미나리아재비목 Ranales

13. 꽃의 부분은 나선상으로 배열하지 않고 일부는 서로 붙었다.

14. 식충식물이다 ···························································································14. 끈끈이귀개목 Saraaceniales

14. 식충식물이 아니다.

15. 측막태좌가 많고 수술울타리집이 없다 ································································13. 양귀비목 Papaverales

15. 측막태좌가 아니고 밑씨는 적거나 1 개씩 들어 있으며 수술울타리집이 있다.

16. 심피는 1 개 또는 여러 개가 떨어져 있거나 붙었고 씨방은 수술울타리집으로 둘러싸 여 있다 ·······15. 장미목 Rosales

16. 심피는 합생하고 수술울타리집이 없다.

17. 수술의 수는 꽃잎수의 2 배를 넘지 않는다.

18. 수술은 꽃잎과 호생하거나 수가 같지 않다.

19. 밑씨는 밑으로 처지고 배병이 중축을 향하거나 곧추서서 배병이 밖을 향한다 ·········16. 쥐손이풀목 Geraniales

19. 밑씨는 밑으로 처지고 배병은 축 반대쪽을 향하거나 곧추서거나 비스듬히 선다 ·····17. 무환자나무목 Sapindales

18 수술은 꽃잎과 대생한다 ··········································································18. 갈매나무목 Rhamnales

17. 수술은 대개 수가 많다.

20. 중축태좌, 꽃이 피기 전에 꽃받침잎은 서로 포개져 있지 않다·····································19. 아욱목 Malvales

20. 측막태좌, 꽃받침잎은 꽃봉오리 안에서 서로 포개져 있다 ···································20. 측막태좌목 Parietales

12. 씨방은 대개 하위이다.

21. 육질 사막식물이며 가시가 있다 ··············································································21. 선인장목 Opuntiales

21. 식물체는 육질이 아니고 가시도 없다.

22. 복병립관속이 있으며 배유가 없고 꽃은 산형화서에 달러지 않는다.

23 꽃밥은 떨어져 있다 ·····························································································23.도금양목 Myrtales

23. 꽃밥은 합생한다.·································································································22. 박목 Cucurbitales

22. 배유가 있고 병립관속이며 꽃은 산형화서에 달린다······················································24. 산형화목 Umbellales

   12.  목련목   Magnoliales