실거리나무아과 Caesalpinioideae

1. 목본식물이다.

2. 단엽이다        ·································································································································   853. 박태기 나무

2. 복엽이다.

3. 교목이며 가시는 갈라진다        ··············································································································· 주엽나무속

3. 덩굴성 관목이며 가시는 갈라지지 않고 굽어 있다··············································································     856. 실거리나무

1. 초본식물이다      ···········································································································································   차풀속