1, Mesona chinensis powder is processed with Mesona chinensis as the main raw material. Mesona blume, also known as Xianrendong, Xianrencao and Xiancao, is a labiatae plant, and it is called "Mesona blume" because it can be made by decocting branches and leaves with water. Bean jelly is the best green food to relieve summer heat and thirst, and it has always been loved by people.

2. Xiancao, also known as Xiancao and Mesona blume, is an annual herbaceous perennial plant, which can benefit for many years after being planted for one year, with a height of about 100 cm; The stems are initially fluffy and fine setose, and are slightly old and clean. Leaves opposite, with petioles 2 ~15 mm long; Leaf blade broadly ovoid to narrowly ovoid, sometimes suborbicular, 2 ~ 5.5 cm long or over, both surfaces pilose or only on the lower veins, sometimes subglabrous. Flowers bloom in late autumn. The cymbals are arranged in a terminal raceme with a length of 2 ~ 8 cm; Bracts are round or rhomboid-ovate, with tail-shaped tips, often slightly longer than flowers; Calyx seed-shaped, 2 ~ 2.5 mm long, with 10 longitudinal vein and many transverse venules, densely white pilose, 3-cleft upper lip, especially middle cleft, whole lower lip or slightly concave; Corolla is white or reddish, 3 ~ 3.5 mm long, upper lip is wide and big, with 4 teeth, middle 2 teeth are not obvious, and lower lip is boat-shaped. Mesona chinensis powder is processed from Mesona chinensis as the main raw material.

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