땅비사리속 Indigofera LINN.

1. 잎의 뒷면에 털이 있다.

2. 소엽은 길이 6-25mm 이고 꽃은 길이 4-12mm 이다 ············································································· 954. 낭아초

2. 소엽은길이 1-4cm이고 꽃은 길이 2cm 이다 ···················································································· 955. 땅비싸리

1. 잎은 뒷면에 털이 없다 ············································································································· 955+. 민땅비싸리