투구꽃속(초오속) Aconitum LINN.

1. 근경은 다년생이다. 뒤쪽 꽃받침잎은 뒤로 꼬부라지거나 곧추서고 꽃잎의 현부는 거의 넓어지지않는다

2. 꽃은 자주색이다.

3. 줄기는 덩굴성이며 꽃차례에 퍼진 털이 있다 ······················································································433. 줄바꽃

3. 줄기는 비스듬히 서며 밑부분에 능선이 있고 위쪽에 짧은 털이 밀생한다 ······················································· 434. 진범

2. 꽃은 황색이 돈다.

4. 덩굴성이며 잎은 3~7개로 갈라지고 꽃은 연한 황백색이다 ·····································································435. 흰진범

4. 즐기는 곧추 자라고 꽃은 황색이다.

5. 열매에 털이 없다 ·············································································································436. 노랑투구꽃

5. 열매에 꼬부라진 털이 있다 ··································································································· 437. 선투구꽃

1. 덩이줄기는 매년 교체된다. 뒤쪽 꽃받침잎은 곧추서거나 약간 앞으로 굽고 꽃은 자주색이지만 연한황색 또는 황색 바탕에 자줏빛이 돈다.

6. 근경은 길이 2~10cm이다.

7. 잎은 전체가 5개로 거의 완전히 갈라지고 각 열편은 다시 깃처럼 갈라진다    ······································ 438. 가는줄돌쩌귀

7. 윗부분의 잎은 거의 갈라지지 않고 5~7각형이다    ······················································439. 세뿔투구꽃(금오오돌또기)

6. 덩이줄기는 길이 2cm이하이다.

8. 줄기는 덩굴성이다.

9. 줄기 끝은 땅에 닿아도 뿌리를 내리지 않는다.

10. 골돌은 5개이며 꽃자루와 소화경의 털은 수평으로 퍼지고 잎에는 긴털과 꼬부리진 털이있다   ················· 440. 참줄바꽃

10. 골돌은 3~5 개이며 꽃자루와 소화경에 꼬부라진 털이 있다  ·····················································441. 놋젓가락나물

9. 줄기 끝이 땅에 닿으면 뿌리가 내린다.

11. 꽃이 달리지 않는다 ··········································································································442. 싹눈바꽃

11. 꽃이 달린다 ··············································································································· 443. 개싹눈바꽃

8. 줄기는 곧추 자란다.

12. 소화경은 털이 없다.

13. 골돌은 3~5개이다   ········································································································ 444. 이삭바꽃

13. 골돌은 3개이다.

14. 잎은 앝게 또는 깊게 3~5개로 갈라지지만 3엽성은 아니다   ···················································· 445. 키다리바꽃

14. 잎은 3~8개로 완전히 갈라진다   ·····················································································446. 각시투구꽃

12. 소화경은 털이 있다.

15. 골돌은 3개이며 털이 없다

16. 꽃은 연한황색 또는 황색 바탕에 자줏빛이 돈다  ·······································································448. 백부자

16. 꽃은 청자색이다 ······································································································ 447. 한라돌쩌귀

15 골돌은 3~5개이며 털이 있다.

17. 소화경에 털이 많다 ·········································································································449. 투구꽃

17. 소화경에 황갈색의 꼬부라진 털이 밀생한다 ·······································································450. 가는돌쩌귀