How to tell the authenticity of blueberries?

1 shape. Blueberries have small flower-like openings at the top, while chrysanthemums and other chrysanthemums don't.

2. color. Ripe blueberries are purple, purplish red or purplish black.

3, the kernel. The main feature of blueberry fresh fruit is that it has no stone and only small seeds.

4. Taste. Pure blueberries are sweet and sour, and have a unique flavor.

There are two kinds of blueberries. One is a dwarf shrub, which is short and wild, with small particles and rich in anthocyanins; Secondly, artificially cultivated blueberries can grow to a height of 240 cm, with large fruits and full pulp, which improves the edible taste of wild blueberries and enhances the absorption of anthocyanins by human body.

There are more than 400 kinds of cranberries, distributed all over the world, mainly produced in the United States, also known as American blueberries. Wild blueberries in China are mainly produced in Changbai Mountain, Daxing 'anling and Xiaoxing 'anling forest areas, and most of them are in Daxing 'anling area.

Extended data:

Blueberries can grow many times in a growing season, and secondary growth is more common. In southern China, blueberries have two growth peaks in a year, the first is from May to June, and the second is from mid-July to mid-August. In the third year after planting, the growth of seedlings was obviously accelerated, and the new branches germinated and grew vigorously, and the annual growth could reach more than 1 m.

Due to the different climate and varieties, the flowering period of blueberries is obviously different. It blooms in the first half of March in the south of China, and from April to May in the north. The flowering period is generally 15 ~ 20 days, and the longest is 40 days. Flowers are planted on slender shafts to form racemes.