1、 Different plants

Star anise belongs to the tree category, with a high head and a height of about 10 to 15 meters. The skin color of the tree is dark gray and the branches are dense

Fennel is an herb with a height of about 0.4 to 2 meters. The color of the epidermis is grayish green or pale white, and there are many branches

2、 Different flowers

The flower color of star anise is pink to crimson, the pedicel is 15 to 40 mm long, and there are 11 to 20 stamens

The flower color of fennel is yellow, the shape is obovate or nearly obovate, and there are only five stamens

3、 Different fruits

The fruit of star anise, just like its name, has eight outward horns, which are octagonal, 14 to 20 mm long, and the fruit period is from September to October

The fruit of fennel is oblong in shape, about 4 to 6 mm long and about 1.5 to 2.2 mm wide. The fruit period is from July to October