Canned buckwheat head inspection

Buckwheat (Allium chinense G. Don) is a perennial bulb plant of the Allium genus in the Liliaceae family. This type of bulb has several aggregated, narrow oval shaped, white or reddish outer skin, membranous, 2-5 leaves, cylindrical with 3-5 edges, hollow, nearly as long as the scape. Scape lateral, terete, 20-40 cm tall, with lower part covered by leaf sheath; Umbrella shaped, nearly hemispherical, relatively loose; Flowers light purple to dark purple; Perianth segments are broadly elliptical to nearly circular, with blunt rounded tips; The ovary is ovoid and has a concave honey hole with a curtain at the base of the abdominal suture. The flowering and fruiting period is from October to November. This species is native to China and is widely cultivated in the Yangtze River Basin and various provinces and regions south of it. It has strong adaptability and develops well in cooler climate conditions. It sleeps in winter and summer at temperatures above 30 ℃. It is recommended to adapt to weak light and use well drained and fertile loam or sandy soil. The reproduction method is bulb propagation. It is edible and the canned food made from it has a sweet and sour taste, and can also be used for medicinal purposes