십자화과 Cruciferae

십자화과 Cruciferae

1. 털은 갈라지지 않거나 없으며 선모가 없다

2. 열매는 벌어지지 않는다.

3. 각과는 편평하며 종자가 1개씩 들어 있다 ···························································································538. 대청

3. 각과는 둥글거나 원주형이며 종자가 2개 이상씩 들어 있다

4. 각과는 원주형이다.

5. 각과에 코르크 격막이 있다 ············································································································539. 무

5. 각과에 코르크 격막이 없다 ············································································································배추속

4. 각과는 둥글다.

6. 꽃차례는 잎과 대생하며 식물체에서 냄새가 난다 ···········································································548. 미륵냉이

6. 꽃차례는 액생 또는 정생한다 ····································································································567. 겨자무

2. 각과는 벌어진다.

7. 각과는 옆으로 편평하다.

8. 종자는 각 실에 1개씩 있다.

9. 꽃잎은 2 개가 특히 크다 ····································································································549. 서양말냉이

9. 꽃잎은 크기가 비슷하다 ············································································································다닥냉이속

8. 종자는 각 실에 2 개 이상씩 들어 있다 ··························································································550. 말냉이

7. 각과는 원주형이거나 앞뒤로 편평하다.

10. 꽃은 희다.

11. 각과는 탄력이 있어서 터질 때 뒤로 말린다 ················································································황새냉이속

11. 각과는 탄력이 없고 꽃에 포가 있다 ······················································································564. 고추냉이

10. 꽃은 적자색 또는 황색이다.

12. 꽃은 자주색이다 ··············································································································572. 이자초

12. 꽃은 황색이다.

13. 자엽은 매축 뒤에 위치한다.

14. 각과는 길이가 8cm 이상이다 ························································································565. 노랑장대

14. 각과는 길이가 7cm 이하이다 ····························································································589. 큰장대

13. 자엽은 배축 옆에 있다.

15. 각편은 굳은 막질이며 주맥이 뚜렷하다 ···········································································566. 나도냉이

1.5 각편은 얇은 막질이며 주맥이 희미하다 ··············································································개갓냉이속

1. 털은 갈라지거나 간혹 선이 있는 단모이다.

16. 각과는 짧으며 옆으로 편평하거나 타원형이다.

17. 각과는 편평한 도3 각형이다 ··········································································································573. 냉이

17. 각과는 다소 편평한 도란형이다 ······························································································596. 양구슬냉이

16. 각과는 길거나 짧으며 앞뒤로 편평하거나 원주형이다

18. 각과는 짧으며 자엽은 배축 옆에 있다.

19. 꽃대축은 로제트잎의 중앙에서 자라며 종자에 날개가 없다 ······································································꽃다지속

19. 꽃줄기 밑에 로제트잎이 없으며 종자에 날개가 있다

20. 털은 2 개씩 갈라진다 ············································································································· 갯알릿섬

20. 털은 3 개 이상 갈라진다 ···········································································································알릿섬

18. 각과는 길다.

21. 자엽은 배축 옆에 있으며 꽃은 희다 ····························································································장대나물속

21. 자엽은 배축 뒤에 있다.

22. 꽃은 흰색 또는 담홍자색이다.

23. 열매는 선형이며 아래위의 너비가 비슷하다.

24. 각과에 4 개의 능선이 있다 ····································································································595. 꽃무

24. 각과에 능선이 2 개 있다.

25. 각편은 얇은 막질이며 수술은 떨어져 있다 ······································································587. 애기장대

25. 각편은 두꺼운 막질이며 수술은 2 개씩 붙어있다 ·····························································588. 가는장대

23. 각과는 끝이 점차 좁아진다 ··························································································· 590. 장대냉이

22. 꽃은 황색 또는 담황색이다.

26. 암술머리는 밋밋하며 잎은 깃처럼 잘게 갈라지고 각편은 얇은 막질이다 ·············································· 591. 재쑥

26. 암술머리는 2개로 갈라지고 잎은 단순하며 톱니나 결각이 있고 각편은 두꺼운 막질이다 ···················· 부지깽이나물속