1, almond
Almond is Prunus armeniaca (Prunus? armeniaca? L.) or the seeds of Prunus armeniaca. Almonds are divided into sweet almonds and bitter almonds, which are mainly distributed in northern China, with Xinjiang, Hebei, Liaoning, Shandong, Shaanxi and other provinces distributing the most.
Bitter almond is flat and heart-shaped, with a length of1~1.9 cm, a width of 0.8 ~1.5 cm and a thickness of 0.5 ~ 0.8 cm. The surface is yellowish brown to dark brown, one end is pointed, the other end is blunt and round, thick, and asymmetrical left and right. There is a short-line hilum on one side of the tip, and there are many dark brown veins upward at the junction of the round end. The seed coat is thin, with 2 cotyledons, milky white and rich in oil. Slight breath and bitter taste.
2, pecan fruit
American hickory (scientific name: Carya Illinois? (Wangenh.) K. Koch), a plant of Juglandaceae. Also known as "pecan with thin shell, pecan with thin skin" and so on. The fruit is oblong or oblong, with a length of 3-5 cm and a diameter of about 2.2 cm. It has 4 longitudinal edges, the exocarp is 4 valves, leathery, the endocarp is smooth, grayish brown, with dark brown spots and black stripes at the top. Incomplete base, 2 cells. It blooms in May and ripens in 9- 1 1 month.
3. Cashews
Cashew nuts, Anacardium occidentalie? Linn is a plant of Dicotyledonous Plants, Sapindaceae, Lacqueraceae and Cashew. Also known as Rushu, Chicken Cashew and Jieshou Fruit. Evergreen tree with erect trunk, up to 10 m. Cashew nut is a kidney-shaped nut, belonging to the genus Cashew, Uraceae, Sapindaceae. Native to America.
Cashew nuts are rich in nutritional value, which can be used for cooking and medicine. They are one of the four famous dried fruits in the world.
4. Walnuts
Walnut, also known as walnut and peach, is a walnut plant. Together with almonds, cashews and hazelnuts, it is called the world-famous "four dried fruits". Walnut kernel is rich in nutrients, with protein15 ~ 20g per 100g, more fat and carbohydrate10g, and contains many trace elements and minerals such as calcium, phosphorus and iron, as well as many vitamins such as carotene and riboflavin. Good for the human body. It is one of the nut foods deeply loved by ordinary people. Walnut shell is hard and needs to be broken open for eating.
5. Pistachio nuts
Pistacia (Pistacia? vera? L.), also known as Pistacia, is a perennial deciduous fruit tree of Pistacia of Anacardiaceae. Wild species originated in the mountainous areas of Central Asia and West Asia, with the earliest cultivation history of 3500 years in West Asia, 2000 years in Central Asia and 1500 years in Europe. 1854 Pistachio nuts were introduced to California in the United States, and 1970 began to be widely cultivated in the United States.