주름잎속 Mazus LOUR.

1. 지상 포복경이 있다  ···················································································································312. 누운주름잎

1. 포복경이 있다.

2. 식물체에 털이 없고 꽃부리는 연한자색이며 가장자리가 희고 중앙열편에 2개의 황색줄과 더불어 굵은 털이 있다 ·········313. 주름잎

2. 식물체에 털이 많고 꽃부리는 하순 밑에 돌기 같은 털이 있다     ······························································· 314. 선주름잎