나문재속 Suaeda FORSK.

1. 잎과 열매에는 자루가 없다.

2. 잎은 원두 내지 둔두이며 곤봉형이다 ······························································································· 267. 칠면초

2. 잎은 예두로서 피침형이다 ········································································································· 269. 해홍나물

1. 위쪽 잎에는 잎자루가 있다 ·············································································································· 268. 나문재