배나무속 Pyrus LINN.
1. 열매에 꽃받침이 달려있다.
2. 잎의
톱니는 바늘처럼 길고 뾰족하다.
3. 잔가지와
잎자루에 털이 없다 ································································································· 838. 산돌배
3. 잔가지와
잎자루에 갈색 털이 있다 ······················································································· 840. 백운배나무
2. 톱니는
뾰족하지만 바늘같지 않다.···································································································839. 참배
1. 열매에 꽃받침이 없다.
4. 톱니는
날카롭고 열매는 양끝이 들어간다 ·················································································· 841. 돌배나무
4. 톱니는
날카롭지 않다.
5. 톱니는
둔한 물결형이고 열매는 양끝이 오목하다 ········································································ 842. 콩배나무
5. 잎에는
가늘고 뾰족한 톱니가 있다.
6. 열매는
흑갈색이다.
7. 잎은
넓은 예저이며 열매꼭지는 길이 3~5 cm 이고 열매는 둥글다 ············································ 843. 위봉배나무
7. 잎은
원저이며 열매꼭지는 보다 짧고 열매는 도란형이다 ·····················································843+. 개위봉배나무
6. 열매는 녹갈색이며 열매꼭지는 길이 2.5-3.2 cm 이고 잎은 난원형 또는 난형이다 ··························843++. 청위봉배나무