바늘꽃과 Onagraceae

1. 열매에 1~2 개의 종자가 들어있는 수과이다  ·························································································· 털이슬속

1. 열매에 많은 종자가 들어있다.

2. 목본식물이다 ······················································································································· 1279. 후크시아

2. 초본식물이다.

3. 열매는 능션을 따라 벌어진다.

4. 종자에 관모가 없다  ··············································································································· 달맞이꽃속

4. 종자에 관모가 있다     ················································································································바늘꽃속

3. 열매는 능선을 따라 또는 능선사이에서 벌어진다  ·················································································여뀌바늘속