두릅나무과 Araliaceae

1. 잎은 단엽이다.

2. 상록성이고 씨방은 5실 이상이다.

3. 덩굴성이다 ····························································································································· 1306. 송악

3. 곧게 자란다.

4. 잎은 밋밋하거나 3~5 개로 갈라진다 ······················································································· 1307. 황칠나무

4. 잎은 5~14 개로 갈라진다.

5. 잎은 5~9 개로 갈라지며 골 속이 굵지 않다 ········································································· 1308. 팔손이나무

5. 잎은 10~14 개로 갈라지며 잎자루는 속이 비어있다 ····································································· 1309. 통탈목

2. 낙엽성이며 씨방은 2실이다.

6. 교목으로 잎에는 가시가 없다 ····································································································· 1310. 음나무

6. 관목으로 잎에는 가시가 있다   ·······························································································1311. 땃두릅나무

1. 잎은 복엽이다.

7. 장상복엽이다.

8. 초본식물이고 장상복엽이다 ···········································································································1312. 인삼

8. 목본식물이다    ·······················································································································오갈피나무속

            7. 잎은 2 회 우상복엽이고 암술대는 5 개다 ····················································································두릅나무속