쑥속 Artemisia LINN.

1. 중앙의 통상화는 열매를 맺지 못한다.

2. 두화는 지름 1 ~ 1.2 mm이고 잎의 열편은 실같이 가늘다 ············································································703. 비쑥

2 두화는 지름 1.5~2 mm이다.

3. 아관목으로 줄기에 달린 잎은 2 회 우상으로 갈라지고 열편은 실 같다   ······················································704. 사철쑥

3. 초본성으로 잎의 열편은 다소 넓다.

4. 뿌리에서 톤은 잎과 밑의 잎은 잎자루가 깊고 날개가 없으며 두화는 지름 2 mm이다 ········································· 모래쑥

4. 뿌리에서 돋은 잎과 밑에 달린 잎자루에 날개가 있다.

5. 두화는 지름 2mm이고 잎은 우상 또는 2회 우상으로 갈라진다 ·······················································705+. 갯사철쑥

5. 두화는 지름 1.5mm 이고 잎은 불규칙하게 갈라진다 ·······································································705. 제비쑥

※ 잎은 1-2 회 우상복엽이다  ··············································································································706. 실제비쑥

1. 중앙의 통상화는 열매를 맺는다

6. 화상에 털이 없다.

7. 1년초이다.

8. 두화는 이삭처럼 배열하고 꽃턱은 길이 1 mm이다 ····················································································· 금쑥

8. 두화는 원추상으로 배열한다.

9. 잎은 둔두이고 두화는 지름 5-7mm 이다    ···················································································707. 큰비쑥

9 잎은 예두이고 두화는 지름 1.5-6 mm 이다

10. 잎은 3 회 우상으로 갈라지며 우축은 밋밋하고 두과는 지름 1.5 mm 이다    ·········································708. 개똥쑥

10. 잎은 2 회 우상으로 갈라지며 우축은 딱딱하고 두과는 반구행이며 지름 5~6 mm 이다    ·······················709. 개사철쑥

7. 다년초이다

11. 암술머리는 예두이고 총포에 털이 없다   ·····················································································710. 맑은대쑥

11. 암술대 끝은 절두형이다.

12. 잎은 주걱형이며 양면에 누운 명주실 같은 털이 있다   ·····································································711. 비단쑥

12. 잎은 주걱형이 아니다.

13. 잎은 명주실 같은 털이 있고 2회 우상으로 갈라진다  ·····································································712.구와쑥

13. 잎은 거미줄 같은 털이 발생하거나 털이 없다.

14. 두화는 길이 7mm，지름 7~10rnm이며 잎은 깃처럼 갈라지고 양면에 흰 거미줄 같은 털이 밀포한다 ·········· 713. 흰쑥

14. 두화는 지름 1~6mm이다.

15. 잎은 2 회 우상으로 갈라지며 열편은 피침형 또는 장타원형이고 길이 5~8mm 이며 우축은 각질화 하고 포복경이 없다.

16. 높이는 1m에 달하고 경엽은 길이 8~15cm이며 열편은 너비 2~3mm 이다   ····························· 714. 더위지기

16. 높이는 40cm 정도이고 경엽은 길이 4~5cm이며 열편은 너비 1-1.5mm 이다  ······························715. 털산쑥

15. 잎의 열편은 크고 우축이 각질화 되지 않았으며 포복경이 있다.

17. 두화는 지름 1mm 이다   ································································································716. 뺑쑥

17. 두화는 지름 1mm 보다 크다.

18. 잎 표면에 흰 점이 있다.

19. 잎은 2회 우상으로 갈라지며 열편은 서로 떨어지고 좁은 피침형이며 밋밋하다  ··························717. 참쑥

19. 잎은 깃처럼 갈라지며 열편은 서로 접근하고 흔히 깃처럼 갈라진다 .·····································718. 황해쑥

18. 잎에 흰 점이 없다.

20. 잎은 장타원상 피침형이며 양끝이 빠르고 톱니가 뾰족하다   ············································· 719. 외잎쑥

20. 잎은 앞과 다르다.

21. 잎은 도란형이며 톱니가 있고 거미줄 같은 털로 덮여 있다    ················································ 명천쑥

21. 잎은 도란형이 아니다.

22. 줄기애 달린 잎은 좁은 피침형이며 뾰족한 톱니가 크다 ··············································· 720. 물쑥

22. 잎은 이상과 다르다.

23. 잎은 선형이며 밋밋하거나 톱니가 크다  ·························································· 721. 가는잎쑥

23. 잎은 넓은 난형 또는 타원형이며 깃같이 갈라진다

24. 두과는 지름 4~6mm 이며 잎과 더불어 털이 밀생하고 거미줄과 같은 털이 있다 ··········· 722. 율무쑥

24. 두과는 지름 3~4mm이다.

25. 잎은 치아상 또는 깃처럼 갈라지고 길이 7-14cm이며 열편은 서로 접근한다 ············723. 넓은잎외잎쑥

                                            25. 줄기에 달린 잎은 길이 4.5mm~5.5cm 쌍이며 예치가 있다 ····································비로봉쑥

26. 잎은 2 회 우상으로 갈라지고 열편은 너비 5~7 mm 이며 두과는 지름 1.5mm 이다 ···········724. 덤불쑥

26. 잎은 우상복엽 또는 우상으로 갈라진다.

27. 두화는 지름 2mm 이며 성글게 달리고 잎은 깃처럼 갈라지며 열편 밑이 좁아든다 ··········725. 그늘쑥

27. 두화는 밀생하며 우편 밑은 좁아들지 않는다.

28. 높이는 1.5~2m이고 잎은 길이 15~19cm이며 두화는 지름 3mm， 길이 3.5mm이다 ······726. 산쑥

28. 높이는 0.6~1.2m이고 잎은 길이 6~12cm 이며 두화는 지름 1.5mm， 길이 2.5-3.5mm 이다 ···················727. 쑥

6. 화상에 털이 밀생한다 ·····················································································································728. 산흰쑥