녹나무속 Cinnamomum BL.

1. 잎은 뒷면 맥액에 오목한 선이 있다 ···································································································· 501. 녹나무

1. 잎은 뒷면 맥액에 선이 없다.

2. 꽃차례에 털이 없고 잎은 짧게 뾰족하며 엽맥은 기부 약간 위에서 3개로 갈라진다 ········································· 502. 생달나무

2. 꽃차례에 누운 털이 있고 잎은 꼬리처럼 길며 엽맥은 밑 가까이에서 3개로 갈라진다 ······································ 503. 육계나무