Nowadays, there are many Chinese medicinal materials whose names are very similar and easy to confuse. For example, Yin Chen Song and Yin Chen are two medicinal materials. They actually belong to the same plant, but the effects and functions of these two medicinal materials are completely different. ; If you have not learned how to distinguish these two medicinal materials, it is easy to confuse them and delay the treatment of the disease. Then what is the difference between Artemisia spp. and Artemisia spp. Questions, let's take a look together next.
The seedlings of Artemisia sphaerocephala are harvested in early spring, and old stems and impurities are removed and dried. The seedlings are mostly curled into a ball, gray-green, densely covered with white hair, soft as velvet. The stem is small, 1.5～2.5cm long and 1.5～3mm in diameter; the leaves are soft and shrunken. After flattening, the leaves show 1～3 pinnate splits. The leaves are 1～3cm long and 1cm wide. The small lobes are linear, ovoid or inverted. Lanceolate, entire. It has a peculiar aroma and slightly bitter taste. Mainly produced in Jiangxi, Jiangsu, Anhui, Hubei, Zhejiang, Shaanxi, Hebei, Shandong and other provinces. Yin Chen recorded in "Materia Medica Supplements": "Although wormwood is a strong seedling, it does not die through winter, and it is born because of the old work. Therefore, because of Chen, the word wormwood is added later." Tender seedlings can be used as vegetables, Hong Shunyu" "Yun: "The palm of the heart-shaped purple ginger, the silk of Muxiyinchen." Li Shizhen said: "The Huaiyang people still pick wild green chen seedlings and powder for food on February 2nd." The Chinese folks still have the habit of using rice noodles as yinchen cakes and dumplings. For vegetables, young seedlings must be picked, and the old medicinal use is Artemisia spp. Therefore, there is the saying "February Yinchen, May Artemisia".
Phytomorphology: perennial herb or semi-shrub. The stem is upright, 0.5-1m high, lignified at the base, yellow-brown on the surface, with longitudinal stripes, and many branches; all have brown filamentous hairs when they are young, and they are almost glabrous when they grow up. The feather heads of leaves 1 to 3 times are deeply divided, and the lower lobes are relatively wide and short, often with short silky hairs; the middle leaf lobes are slender and hairy, about 1mm wide; the upper leaf feather heads are divided, 3-lobed or undivided, and nearly glabrous. The heads are small and numerous, densely packed into racemes; involucral bracts 3 to 4 layers, glabrous, outer ovate, inner elliptic, central green, margin membranous; flower yellow, tubular, outer flower 3 ～5, female, fertile, 5～7 in inner flower, sterile. The achenes are oblong, about 0.8mm long, and glabrous. Flowering period is from September to October, fruiting period is from October to December.
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