Solanum nigrum is a kind of clock flower, which blooms according to a certain time.Its flowering period is from September to October every year. During this period, at about six o'clock in the morning, Solanum nigrum will slowly open its petals. The flowers are small and lovely. The color of the corolla is white, the filament is short, and the anther inside is yellow. The appearance is very attractive.
In addition to Solanum nigrum, Cnidium, morning glory, wild rose, peony flower, barbed lotus, goose and bird vegetable, marigold, Mirabilis jalapa, tobacco flower, epiphyllum and so on are all clock flowers.
1. Family and genus: Solanum nigrum is an annual herb of Solanaceae and Solanum, also known as Physalis alkekengi, black beet, black seed vegetable, eggplant, etc.
2. Distribution: Solanum nigrum is native to China and now widely distributed in Eurasia, America, Australia and so on.Like to grow in warm and humid places, how long in the roadside, fields and other places.
3. Morphological features: It is an annual erect herb, about 0.25-1 m high, the color of the stem is green or purple, there is no hair on it, it is relatively smooth, sometimes with fine pubescence.The shape of the leaves is ovate and the length is about 2.5-10 centimeters.The shape of the berry is spherical, about 8 mm in diameter, and turns black when ripe.
4. Propagation method: The method of sowing is often used to propagate.
