What are the trees of the Hazelwood family? 20

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Hazelnut scientific name: Corylus heterophylla Bess

English name: Siberia Filbert

Family: Betulaceae

Flowering period: March to April, fruiting period November.

Distribution: Northeast, North China and Southwest China.

Description: deciduous shrub or small tree, up to 7 meters high; Twigs and petioles have pubescence and glandular hairs. Leaves broadly ovate to obovate, 6-9 cm long, 4-6 cm wide, apex acutely acutely acuminated or truncated, sometimes shallowly lobed, base heart-shaped or rounded, margins irregularly heavily serrate, surface nearly smooth, pubescent on the back, lateral veins 3-7 pairs.

fruit 1-6 clusters; bracts bell-shaped, enclosing nuts, densely pubescent and hairy glands on the outside, upper lobes often toothed, usually longer than nuts; The nuts are oblate spherical, about 0 8-1 5 cm in diameter.

Application: Fruit for consumption and oil extraction; The bark, branches, and leaves can be used to extract tannins and alkaloids.

Hazel (scientific name: Corylus heterophyllafisch

Leaves elliptic, broadly ovate or several rounded, apex caudate; bract lobes with sparse teeth at the margins, rarely entire; Anthers red.

It is distributed in Guizhou, eastern Sichuan, Shaanxi, central and southeastern Gansu, Henan, Shandong, Jiangsu, Anhui, Zhejiang, Jiangxi. Born in mountain forests at an altitude of 700-2500 meters.

The seeds are edible and can be pressed for oil.

Hazelnuts are rich in special ingredients such as oils, proteins, carbohydrates, vitamins (vitamin E), minerals, sugars, fibers, -coosterols and the antioxidant carbolic acid, as well as eight amino acids and trace elements required by humans. Hazelnuts themselves are rich in oil (mostly unsaturated fatty acids), and their content reaches the level, which makes the fat-soluble vitamins contained in them easier for the human body to absorb, and has a good nourishing effect on people who are weak, weak after illness, and easy to starve. Its vitamin E content is as high as 36%, which can effectively delay aging, prevent arteriosclerosis, and moisturize the skin.

Hazelnuts contain the anti-cancer chemical ingredient paclitaxel, which can prolong the life of patients with ovarian and breast cancers, as well as some other cancers. Hazelnuts themselves have a natural aroma that is appetizing, rich in fiber, and aids digestion and prevents constipation. Hazelnuts also have the effect of lowering cholesterol, avoiding the harm of saturated fatty acids in meat to the body, and can effectively prevent the occurrence of cardiovascular and cerebrovascular diseases.

The content of trace elements such as magnesium, calcium, and potassium is high in the array, and long-term use helps to regulate blood pressure. People who work in front of the computer every day eat more hazelnuts, which has a certain health care effect on eyesight.