갯능쟁이속 Atriplex LINN.

1. 잎은 너비 2cm 이상이며 톱니가 있다 ······························································································· 261. 갯능쟁이

1. 잎은 너비 15mm 이하이며 대개 톱니가 없으나 2-3 개의 톱니가 있는것도 있다 ········································ 262. 가는갯능쟁이