1. Different leaves
The base of the Great Wu Fengcao is the shape of the lotus seat. The length is about 9-13 cm, and the width is about 11-22 cm.
The leaves of citrus grass are round and kidney-shaped, and some are horseshoe-shaped, with a length of about 1-2.8 cm, which is smaller than the former.
Different from flowers
The flowers of the big Wu Fengcao are pale yellow, tongue-shaped flowers 8-12, tongue slices are long or round or spoon-shaped, and the length is about 15-22 mm.
The flowers of the grass are purple-red or milky white, the petals are ovate, and the length is about 1.2-1.5 mm.The petals are membrane, and the length of the flower column is about 0.6mm. Its filament is shorter than the petals. There is no handle or a short handle of about 1mm.
