9) 국화족 Anthemideae

두화는 두상화와 암꽃 설상화로 되며 꽃밥 밑이 둔하거나 뾰족하고 암술머리는 끝이 수평으로 벌어지고 브러시 같으며 총포편은 가장자리가 건막질로서 엽록체가없다.

1. 화상에 인편이 있다. ··························································································································· 톱풀속

1. 화상에 인편이 없다.

2. 암꽃은 통상이며 두화 둘레에있고 양성화보다많다···········································································702. 중대가리풀

2 .암꽃은 설상화 또는 통상이며 양성화보다 적다.

3. 두화는 작고 밑으로 처지며 꽃가루에 잔가시가 없다 ···················································································쑥속

3. 두화는 크고 위로 향하며 꽃가루에 잔가시가 있다.

4. 화상은 도드라지거나 편평하다   ·······································································································국화속

4. 화상은 원추형이며 수과는 뒷면에 능선이 없고 안쪽에 3개의 능선이 있다.

5. 통상화는 결실하지 못하며 관모가 없다   ·······················································································738. 실쑥

5. 통상화는 결실하며 관모는 극히 짧다.

6. 식물체에서 심한 냄새가 난다    ··································································································개꽃속

6. 식물체에서 냄새가 심하게 나지 않는다 ····················································································739. 쑥국화