참나무과 Fagaceae

1. 수꽃은 두상화서에 달리고 자엽은 땅위로 나온다   ···············································································85. 너도밤나무

1. 수꽃은 꼬리꽃차례에 달리고 암꽃은 총상화서에 달리며 자엽은 땅속에 남는다.

2. 수꽃은 밑으로 처진 꼬리꽃차례에 달리고 총포는 컵 같은 각두이다   ····························································· 참나무속

2. 수꽃은 위로 향한 꼬리꽃차례에 달린다.

3. 잎은 2 줄로 배열하고 열매는 가시로 덮인 총포안에 들어있고 끝눈이 없으며 낙엽성이다 ·································· 밤나무속

3. 잎은 나선상으로 배열하고 열매는 가시가 없는 총포안에 들어있고 상록성이다.

4. 총포는 열매전체를 둘러썼으나 총포가 갈라진다 ·········································································모밀잣밤나무속

4. 총포는 각두같이 열매의 일부를 싸서 갈라지지 않는다 ·····································································90. 돌참나무