1、 How open

Solanum nigrum is a kind of clock flower, which will open at a certain time. Its flowering period is from September to October every autumn. During this period, at about 6 o'clock in the morning, the Solanum nigrum flower will slowly bloom its petals. The flowers are relatively small and lovely. The color of the Corolla is white, the filaments are relatively short, and the anthers inside are yellow, which is very popular

In addition to Solanum nigrum, flowers such as snake bed flower, morning glory, wild rose, peony flower, Ramulus, goose bird vegetable, marigold, purple jasmine, tobacco flower and Epiphyllum all belong to clock flower

2、 Basic introduction

1. Family and genus: Solanum nigrum belongs to the annual herb of Solanaceae and Solanum, also known as kraft pulp, black beet, black seed vegetable, day eggplant, etc

2. Distribution scope: Solanum nigrum flower originated in China and is now widely distributed in Asia and Europe, America, Australia, etc. Like to grow in warm and humid places, long in roadsides, fields and other places

3. Morphological features: it is an annual upright herb with a plant height of about 0.25-1m. The color of the stem is green or purple. There is no hair on it, which is relatively smooth, and sometimes there is subtle pilose hair. The leaves are oval in shape and about 2.5-10 cm long. Berries are spherical in shape, about 8 mm in diameter, and turn black when mature

4. Breeding method: the method of sowing is often used to breed