1、 Height difference

The height of sunflowers is generally 1-3.5m, while the height of sunflowers is generally only 10-30cm, so they can be easily distinguished according to plant height

2、 Different flowers

The flower plate of sunflower is relatively large, and the area that the seed plate can occupy is more than 1 / 3 of the whole flower plate. Its color is less, only yellow. The flower disk of sunflower is relatively small, and the proportion of seed disk in the area of flower disk is relatively small. In addition, it has many colors. In addition to the Yellow we have seen, there are also uncommon varieties such as purple and red

3、 Different seeds

Sunflower seeds are very large and can be eaten directly. The seeds of sunflower are very small and can not be eaten directly