How does the black nightshade flower open at six in the morning?

I. How it opens

The black nightshade flower is a clock flower, opening according to a set schedule. Its flowering period falls around September to October each autumn, and during this time, at around six in the morning, the black nightshade flower slowly unfurls its petals. The flowers are rather small and lovely, with a white corolla, relatively short filaments, and yellow anthers inside, making for a very appealing look.

Besides the black nightshade flower, plants such as Chinese breakstone, morning glory, wild rose, Chinese peony, sun rose, goosefoot, marigold, four o'clock flower, tobacco flower and night-blooming cereus are all clock flowers.

II. Basic introduction

1. Family and genus: The black nightshade flower is an annual herbaceous plant in the Solanaceae family and Solanum genus, also known as niu suan jiang, wu tian cai, wu zi cai, tian qie zi and so on.

2. Distribution range: The black nightshade flower originated in China and is now widely distributed across Eurasia, the Americas, Australia and elsewhere. It likes to grow in warm, humid places and is often found along roadsides, in fields and similar spots.

3. Morphological characteristics: It is an annual upright herb, roughly 0.25-1 m tall. The stems are green or purple, smooth and hairless, sometimes bearing fine soft hairs. The leaves are ovate, about 2.5-10 cm long. The berries are spherical, about 8 mm in diameter, and turn black when ripe.

4. Propagation method: It is mostly propagated by sowing seeds.