기린초속 Sedum LINN.

1. 굵은 지하경이 있고 식물체가 크며 잎에 톱니가 있다.

2. 꽃차례에 살눈이 없다.

3. 잎은 분백색이 아니고 꽃은 황색이다.

4. 지상부의 일부는 겨울 동안에 남아 있다

5. 잎은 길이 4.5~6cm 이고 톱니는 6~7 쌍이다 ············································································610. 섬기린초

5. 잎은 길이 15~20mm 이다 ·······························································································611. 애기기린초

4. 지상부는 겨울 동안에 말라죽는다.

6. 잎은 호생한다.

7. 땅 위에 나온 근두부는 굵어지지 않는다.

8. 줄기는 1-2 개씩 나오며 갈라지지 않는다·········································································· 612. 가는기린초

8. 줄기는 총생하며 때로는 가지가 갈라진다 ·············································································· 613. 기린초

7. 밖에 노출된 근두부는 굵어진다 ······················································································· 614. 속리기린초

6. 잎은 호생하지만 대생하거나 윤생하기도 한다.

9. 잎은 주걱형이며 때로는 젖꼭지 같은 돌기가 있다 ······························································· 615. 넓은잎기린초

9. 잎은 난형이며 돌기가 없다 ··························································································· 615+. 금대기린초

3. 잎은 분백색이 돌고 꽃은 홍자색 및 황록색이다.

10. 잎에 잎자루가 없으며 꽃은 홍자색이다.

11. 꽃잎은수술보다 짧다.    ······························································································· 616. 큰꿩의비름.

11. 꽃잎은 수술보다 길거나 같다.

12. 잎은 난상원형이며 줄기는 옆으로 눕는다  ·································································· 617. 등근잎꿩의비름

12. 잎은 장타원형이며 줄기는 곧추선다 ············································································ 618. 자주꿩의비름

10. 잎에 짧은 잎자루가 있다.

13. 잎은 윤생, 대생 또는 호생하며 마르면 흑갈색으로 된다 ························································ 619. 세잎꿩의비름

13. 잎은 대생 또는 호생하며 반점이 없다 ·················································································· 621. 꿩의비름

2. 꽃차례에 살눈이 달린다  ······································································································ 620. 새끼꿩의비름

1. 근경은 연약하고 잎에 톱니가 없다.

14. 잎은 선형 내지 좁은 장타원형이며 원주상이다.

15. 화지의 잎은 윤생한다 ············································································································· 622. 돌나물

15. 화지의 잎은 호생한다.

16. 잎은 길이 5-10mm 이고 꽃이 널리지 않는 가지 끝에서는 밀생한다.

17. 꽃차례는 곁가지 끝에 달리며 잎은 원두이다 ·········································································· 623. 땅채송화

17. 꽃차례는 원줄기 끝에 달리며 잎은 둔두이고 심피는 익을 때 옆으로 퍼진다 ····································· 624. 암채송화

16. 잎은 길이 6-15 mm 이다 ································································································ 625. 바위채송화

18. 잎겨드랑이에 살눈이 생기며 꽃이 달리지 않는 가지는 없다  ······················································· 626. 말똥비름

18. 살눈이 없고 꽃이 달리지 않는 가지로서 퍼져간다. 잎은 모두 비슷하며 꽃이 핀 가지의 잎은 대생한다 ····························· 624+. 충무채송화