백합과 Liliaceae

아과의 식별

1. 열매는 과피의 생장이 중지함으로써 종자가 노출된다 ······················································①맥문동아과 Ophiopogonoideae

1. 열매는 장과 또는 삭과이다.

2. 열매는 장과이다.

3. 꽃은 양성(간혹 단성)이며 2 가화이다    ······································································②비짜루아과 Asparagoideae

3. 덩굴식물이다    ·······························································································③청가시덩굴아과 Smilaeoideae

2. 열매는 삭과이지만 간혹 장과도 있다 ···································································································· 밀나물속

4. 근경이 있으며 때로 굵어져서 비늘줄기같이 된다

5. 화피 열편은 떨어져 있다     ·····················································································④여로아과 Melanthioideae

5. 화피 열편은 적어도 밑부분이 붙어 있다

6. 화피 열편은 밑부분이 다소 붙어 있고 씨방상위이다     ·············································⑤원추리아과 Asphodeloideae

6. 화피는 종처럼 합쳐져 있고 씨방중위이다   ····························································⑥여우꼬리풀아과 Aletroideae

4. 비늘줄기가 있다.

7. 꽃은 산형으로 달리며 총포가 있다    ················································································⑦달래아과 Allioideae

7. 꽃은 총상 또는 수상으로 달리며 총포가 없다.

8. 꽃줄기에 1 개 또는 다수의 잎이 달린다    ········································································⑧백합아과 Lilioideae

8. 꽃줄기에 잎이 없다   ·······························································································⑨무릇아과 Scilloideae