꿩의다리속 Thalictrum LINN.

1. 꽃차례는 원추상이다

2. 줄기에 능선이나 줄이 있고 꽃은 담황색이다.

3. 줄기에 예리한 능선이 있다  ···································································································412. 긴잎꿩의다리

3. 줄기에 세로줄이 있고 옆의 뒷면은 분백색이다 ···············································································413. 좀꿩의다리

2. 줄기에 능선이나 줄이 없다.

4. 뿌리는 방추상이다.

5. 소엽은 아심장저， 잎의 뒷면은 분백색이고 수술에 반점이 있다    ···············································414. 큰잎산꿩의다리

5. 소엽은 심장상 원형 또는 심장상 난형이며 잎의 뒷면은 회청색이고 수술에 반점이 없다   ······················415. 자주꿩의다리

4. 뿌리는 방추상이 아니다.

6. 소엽은 도란형이고 꽃받침잎은 자주색이다   ··············································································416. 금꿩의다리

6. 소엽은 방패형이고 꽃받침잎은 연한 자백색이며 잎은 분백색이다   ················································417. 연잎꿩의다리

1. 꽃차례는 산방상이거나 산방상 원추화서이다.

7. 뿌리는 방추형이다.

8. 수과는 1-4 맥이고 소과경이 없다 ····························································································· 418. 산꿩의다리

8. 수과는 4 맥이고 소과경이 있다··························································································· 419. 작은산꿩의다리

7. 방추상 뿌리가 없다.

9. 줄기에 능선 또는 둔한 줄이 있다.

10. 줄기에 능선이 있고 속이 비어 있다 ·························································································· 420. 꿩의다리

10. 줄기에 세로줄이 있고 속이 차 있다.

11. 꽃차례는 총상 원추화서이펴 잎자루에 능선이 있다. 암술머리는 나선상으로 꼬이고 잎 뒷면은 회청색이다 ··············421. 묏꿩의다리

11. 꽃차례는 산방상 원추화서이다.

12. 수과는 대가 없고 맥이 10 개이며 꽃받침은 홍자색이다   ························································422. 은꿩의다리

12 수과는 잎자루가 있고 맥이 8 개이다 ············································································423. 바이칼꿩의다리

9. 줄기는 둥글다.

13. 수과병은 없거나 극히 짧으며 수술대는 위쪽이 넓다 ···································································424. 꽃꿩의다리

13. 수과병은 길이 2-11mm 이며 수술대는 넓지 않다.

14. 수과병은 길이 2-3 mm 이다 ···························································································425. 발톱꿩의다리

14. 수과병은 길이 4~11 mm 이다 ······················································································· 426. 그늘꿩의다리