노루발과 Pyrolaceae

1. 녹색이 도는 식물이다.

2. 잎은 뿌리에서 돋으며 열매는 밑에서 터지기 시작한다.

3. 꽃은 총상화서에 달리고 꽃잎은 수평으로 퍼지지 않는다 ········································································· 노루발속

3. 꽃은 1 개씩 달리며 꽃잎은 수평으로 퍼진다··················································································· 9. 홀꽃노루발

2. 잎은 줄기에 달리며 열매는 위에서 터지기 시작한다 ·········································································· 10. 매화노루발

1. 기생식물이며 잎은 비늘같이 작다.

4. 열매는 삭과이며 씨방은 5 실이고 중축태좌이다 ················································································· 11. 구상난풀

4. 열매는 장과이며 씨방은 1 실이고 측막태좌이다 ················································································· 12. 수정난풀

노루발속 Pyrola LINN.

1. 잎은 줄기에 달리고 꽃대축에 돌기가 있다 ··························································································· 3. 새끼노루발

1. 잎은 뿌리에서 돋으며 꽃대축에 털이 없다.

2. 잎은 신원형이다 ······················································································································ 4. 콩팔노루발

2. 잎은 심장저가 아니다.

3. 꽃은 희거나 흰바탕에 붉은빛이 돈다.

4. 잎은 타원형이고 뒷면은 잎자루와 더불어 홍자색이 도는 것이 있다 ·························································· 5. 노루발

4. 잎은 홍자색이 돌지 않는다.

5. 잎에 톱니가 있고 꽃은 황백색이다 ························································································· 6. 애기노루발

5. 잎은 톱니가 희미하고 꽃은 희거나 다소 붉은빛이 돈다 ···································································· 7. 호노루발

3. 꽃은 분홍색이다 ····················································································································· 8. 분홍노루발