1. Introduction to the plant

The plant belongs to the genus Brassicaceae, a dicotyledonous plant. The whole plant can be used as medicine, and has the functions of clearing liver and improving eyesight, clearing away heat and diuresis, etc. Alias: Daphne, Mie, Daji, Maxin, Ximu, Rongmu, Maju, Laoqian, Guo Puzhu, Jilancai, Mosaic water chestnut, water chestnut, Laogum grass, melon seed grass, Subai Sauce. 2. Distribution and growth habits of Trichosanthes

Distribution of Trichosanthes: distributed several times across the country. It is also distributed in Asia, Europe, and northern Africa.

Growth habits of Echinacea: It grows on flat roadsides, ditches or near villages. 3. The plant form of the plant

The form of the plant: an annual herb, 9-60 cm high, hairless; the stem is upright, unbranched or branched, with ribs. The basal leaves are obovate-oblong, 3-5 cm long, 1-1.5 cm wide, the top is rounded or blunt, the base is clasping the stem, both sides are arrow-shaped, and the edges are sparsely toothed; the petiole is 1-3 cm long. Racemes are terminal; flowers are white, about 2 mm in diameter; pedicels are slender, 5-10 mm long; sepals are upright, ovate, about 2 mm long, with rounded apex; petals are oblong-ovate, 2-4 mm long, with apex Blunt or slightly concave. Short siliques are obovate or nearly round, 13-16 mm long, 9-13 mm wide, flat, with a concave top, and a winged edge about 3 mm wide. There are 2-8 seeds per chamber, obovate, about 1.5 mm long, slightly flat, yellowish brown, with concentric annular stripes. The flowering period is from March to April, and the fruiting period is from May to June. 4. Propagation method of wormwood

wormwood is generally propagated by sowing seeds.