닭의덩굴속 Fallopia ADANSON

여뀌속에 포함시키기도 하며 덩굴성 1 년초이다.

1. 화피에 날개가 없고 돌기 같은 털이 있다  ·······················································································212. 나도닭의덩굴

1. 화피에 날개가 있고 털이 없다.

2. 열매는 날개와 더불어 도란형이며 길이 1cm 이다 ·············································································213. 큰닭의덩굴

2. 열매는 날개와 더붙어 타원형 또는 원형이며 길이 5-7mm 이다 ·······························································214. 닭의덩굴