방기과 Menispermaceae

1. 잎은 방패형이 아나다.

2. 수술은 9~12개이고 암술머리가 갈라진다  ·························································································· 481. 방기

2. 수술은 9개 이하이고 암술머리가 갈라지지 않는다  ·········································································482. 댕댕이덩굴

1. 잎은 방패형이다.

3. 헛수술이 있으며 수술은 12~20개이고 이생한다 ············································································480. 새모래덩굴

3. 헛수술이 없으며 수술은 6개이고 합생한다 ························································································483. 함박이