What is the scientific name of a food called Black Star in Northeast China?

There is a kind of food called black star in the northeast, and its scientific name is Solanum nigrum. Solanum nigrum belongs to Panicum of Solanaceae, and the height of the whole grass is 30- 120 cm. Stems erect and multi-branched; Oval or heart-shaped leaves alternate, nearly entire; Small white flowers in summer, cymes 4- 10 flowers.

Spherical berries, deep purple when ripe. Berries and leaves are edible, but leaves contain a lot of alkaloids and must be cooked before detoxification. Whole grass can dissipate blood stasis, reduce swelling, and clear away heat and toxic materials. Almost all over China. I like growing near fields, wasteland and villages. Widely distributed in temperate to tropical regions of Europe, Asia and America.

Growth habit of Solanum nigrum

The suitable temperature for growth is 22-30℃, and the suitable temperature for flowering and seed-setting period is 15-20℃, at which time the seed-setting rate is high. The requirements for soil are not strict, and it grows well in loam with rich organic matter and strong water and fertility conservation, but it lacks organic matter and has poor aeration. The root system is underdeveloped, the plant growth is weak, and the commercialization is poor. The suitable soil pH is 5.5-6.5.

It is difficult to grow in high temperature and high humidity open field in summer and autumn, and the growth in open field is slow in winter and spring. Young shoots are prone to fiber aging and poor commercialization. Therefore, in order to meet the market demand, it can be cultivated in protected areas all the year round.

Refer to the above? Baidu encyclopedia-Solanum nigrum