19. 아욱목 Malvales

1. 식물체에 점질세포가 없다 ································································································담팔수과 Eleocarpaceae

1. 식물체에 점질세포가 있다.

2. 꽃받침은 떨어져 있다.

3. 수술이 많고 서로 떨어져 있거나 다발로 뭉쳐 있다 ···································································피나무과 Tiliaceae

3. 수술은 수술대와 같이 합쳐서 기둥같이 되었다. 꽃가루는 거칠고 초본 또는 관목이다 ···························아욱과 Malvaceae

2. 꽃받침잎은 서로 붙어 있다 ····························································································벽오동과 Sterculiaceae