목련과 Magnoliaceae

1. 잎은 가장자리가 갈라지지 않고 열매는 골돌이다.

2. 수술과 암술은 서로 점근한다   ··············································································································· 목련속

2. 수술과 암술은 서로 떨어져 있다 ········································································································491. 초령목

1. 잎은 가장자리가 갈라지고 열매는 시과이다  ························································································· 484. 튤립나무

목련속 Magnolia LINN

1. 낙엽수이다.

2. 꽃은 잎보다 늦게 핀다.

  3. 꽃은 위를 향한다 ·····················································································································489. 일본목련

  3. 꽃은 밑을 향한다   ················································································································485. 함박꽃나무

2. 꽃은 잎보다 먼저 핀다.

 4. 꽃은 짙은 자줏빛이다 ····················································································································487. 자목련

 4. 꽃은 희거나 거의 희다.

   5. 꽃잎은 꽃받침잎보다 길고 6-9개이며 희지만 밑부분 겉에 연한 붉은 줄이 있다  ···············································486. 목련

   5. 꽃잎과 꽃받침잎은 거의 같은 길이이고 6 개이며 희다 ···········································································488. 백목련

1. 상록수이다  ···································································································································490. 태산목