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