1、 Plant differences:
The annual plant is about 40 to 80 cm high and about 2 to 4 mm in diameter. The stem is upright and has branches at the top. It is an annual or biennial plant p>
Compared with the former, the plant of Chloranthus vulgaris is on the high side, with a length of about 50 to 100 cm. The stem has rough lines. Unlike the former, it is mostly annual p>
2、 Different flowers:
The flowers are white or slightly blue, and open from June to August p>
The flower color of Erigeron is almost white or lavender, and the flowering period is prolonged from June to September p>
3、 Different blades:
The petiole of the annual canopy is short or sessile, the shape is oblong lanceolate, and irregular toothed cracks are distributed around the edge of the leaf p>
Cotyledons are oval in shape, and mature leaves are mostly strip lanceolate or rectangular round p>