④ 여로아과 Melanthioideae

1. 화피 열편은 떨어진다. 암술머리는 3 개로 갈라진 다음 다시 2 개로 갈라진다 ·················································· 556. 뻐꾹나리

1. 화피 열편은 완전히 또는 일부 남아있다.

2. 꽃밥은 둥글고 줄기에 잎이있다.

3. 꽃차례에 털이 없다 ················································································································ 557. 나도여로

3. 꽃차례에 털이 있다 ························································································································· 여로속

2. 꽃밥은 선형 내지 난형이며 줄기에 비늘잎이 있다.

4. 암술머리는 끝이 갈라지지 않는다.

5. 삭과는 포간으로 터진다 ········································································································ 558. 처녀치마

5. 삭과는 포배로 터진다 ··········································································································· 559. 칠보치마

4. 암술머리는 3개가 떨어져있다.

6. 잎은 방사상으로 나열한다 ······································································································· 560. 실꽃풀

6. 잎은 2 열로 겹친다 ···················································································································· 돌창포속