The height of the annual plant is about 40 to 80 cm, the diameter is about 2 to 4 mm, the stem is erect, the top is branched, annual or biennial.
The length of the plant is about 50 to 100 cm. The stem has rough lines. Unlike the former, most of them are annual plants.
The flowers of a year are white or a little blue. They open from June to August.
The flower color of little Feipeng is almost white or light purple, and the flowering period is longer, from June to September
The petioles are short or sessile, the shape of which is oblong lanceolate, and irregular dentate cracks are distributed around the edges of the leaves.
The cotyledons are oval in shape, and the mature leaves are mostly strip lanceolate or oblong.