나리속 Lilium LINN.

1. 윤생하는 잎이 있다.

2. 꽃은 주황색이다.

3. 꽃은 하늘을 향하고 꽃잎에 자주색 반점이 있다 ·············································································611.  하늘말나리

3. 꽃은 옆을 향하고 꽃잎에 갈자색 반점이 있다   ····················································································612. 말나리

2. 꽃은 붉은빛이 도는 황색 반점이 있다 ·······························································································613. 섬말나리

1. 잎은 전부 호생한다.

4. 꽃은 위를 향한다.

5. 꽃은 분홍색 바탕에 자주색 반점이 있고 잎 가장자리에 작은 돌기가 있다················································· 614. 하늘나리

5. 꽃은 황적색 바탕에 자주색 반점이 있고 줄기에 능선이 있다 ·························································· 615. 날개하늘나리

4. 꽃은 옆을 향한다.

6. 식물체에 털이 많다  ················································································································ 616. 털중나리

6. 식물체에 털이 없다.

7. 꽃은 희고 통상이며 끝이 넓어졌다  ································································································617. 백합

7. 꽃은 희지 않다.

8. 화피는 길이 5cm 이하이다.

9. 꽃은 홍자색이며 안쪽에 자주색 반점이 있다.

10. 비늘줄기는 길이 3cm로서 난상 타원형이고 화피는 짙은 홍자색이다 ············································· 618. 솔나리

10. 비늘줄기는 길이 3~5cm로서 장타원형이고 화피는 짙은 홍색바탕에 자주색 반점이있다 ·················· 619. 큰솔나리

9. 꽃은 황적색이며 희미한 반점이 있다······················································································· 620. 땅나리

8. 화피는 길이 6~10cm이다.

11. 화피는길이 6~8cm로서 황적색이며 자주색 잔점이 있다 ·······························································621. 중나리

11. 화피는길이 7~10cm로서 짙은 황적색 바탕에 흑자색 점이 있다 ·····················································622.  참나리