The scientific name of chicken claw pear: Hovenia acerba Lindl. English name: Turnjujube Family name: Rhamnaceae

The scientific name of chicken claw pear is Hovenia acerba Lindl, also known as Linqin Wanshou fruit, Wanwei fruit, golden hook, chicken spur, wood honey, pear jujube, wolfberry, etc., belong to the Rhamnaceae family, and Citrus aurantium is a woody plant. Deciduous tree, more than 10 meters tall; twigs, undersides of young leaves, petioles and inflorescence rachis are initially pubescent and then fall off. The leaves are oval-ovate, broadly oval or heart-shaped, 8-16 cm long and 6-11 cm wide. The top is tapered, the base is round or heart-shaped, often asymmetrical, the edges are finely serrated, and the surface is hairless. , there are pubes along the veins or between the veins on the back side. The two-meaning cymes are terminal and axillary; the flowers are small, yellow-green, about 4.5 mm in diameter; the petals are oblate; the style is often lobed to the middle or deeply lobed. The fruit stalk is fleshy, twisted, reddish brown; the fruit is nearly spherical, hairless, about 7 mm in diameter, grayish brown. The shape of the fruit resembles the swastika "swastika", so it is called the longevity fruit. The flowering period is June and the fruiting period is from August to October. The fruit stalk contains a large amount of glucose and potassium malate, which becomes sweet after being frosted. It can be eaten raw or made into wine, and is commonly known as "Huaizao"; the fruit is used as medicine, as a cooling diuretic and can relieve hangover; "Huaizao wine" can cure rheumatism; wood It has moderate hardness and beautiful texture, and is used for construction, furniture, arts and crafts, etc.

Guaizao is a positive tree species, growing or cultivated on sunny slopes, valleys, ditch edges and roadsides; mainly distributed in Shaanxi