튤립속 Tulipa LINN.

1. 잎은 너비 1cm 이하이다.

2. 꽃줄기에 포가 없다 ················································································································· 606. 금대산자고

2. 꽃줄기에 1 쌍의 포가 있다 ·············································································································· 607. 산자고

1. 잎은 너비 3cm 이상이고 재배종이다 ······································································································ 608. 튤립