토끼풀속 Trifolium LINN.

1. 소엽은 3~7개이며 잎자루는 짧고 전체가 턱잎과 붙어 있다 ······································································· 971. 달구지풀

1. 소엽은 3 개이며 잎자루는 길다.

2. 꽃차례는 대가 없으며 꽃은 홍자색이지만 간혹 흰색도 있다 ·································································972. 붉은토끼풀

2. 꽃차례는 대가 있으며 꽃은 황색 담홍색 또는 백색이다.

3. 줄기는 지면을 기어가며 꽃은 희고 꽃차례는 지름 2cm 정도이다 ···························································· 973. 토끼풀

3. 줄기는 비스듬히 자라며 꽃은 황색 또는 담홍색이다.

4. 꽃은 황색이고 꽃차례는 지름 5-7mm 이다 ················································································ 애기노랑토끼풀

4. 꽃은 담홍색이고 꽃차례는 지름 1-2cm 이다 ·············································································· 973+. 선토끼풀