Panax notoginseng-- Panax notoginseng
Panax notoginseng: the stem of Bvoussingaultiagracilis Mirrsvar.pseudobaselloidesBailey.
Dry tubers. After processing and slightly boiling, fake Panax notoginseng. The tubers of medicinal materials are irregular fusiform or cylindrical, and some of them are slightly flat and curved. Long 3~8cm, straight
Path 1~3cm. All have a large number of verrucous buds and broken round scars. The surface is grayish brown, with curved longitudinal wrinkles and a few residual fibrous roots.
The body is heavy, hard and brittle, the cross section is white, granular, or yellowish brown horny. The breath is slight, the taste is slightly sweet, chewing has the slippery feeling.
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Morphological characteristics of Panax notoginseng
Panax notoginseng is a perennial herb with a height of 30cm to 60cm. The main root is fleshy, mostly short conical. The rhizome is short and thick, commonly known as "sheep's intestines". Aboveground stems erect, smooth, glabrous, solitary, unbranched, longitudinally striated. Palmately compound leaves 3-6 whorled stem apical, long stalked; leaflets 3-7, long elliptic to Obovate, 5-15 cm long, margin serrulate, bristles on both sides of veins. Umbels solitary at the top of the stem, flowers numerous, bisexual, yellowish green at first blooming, white when in full bloom; calyx and Corolla 5 each
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When and how to classify the seedlings of Panax notoginseng
The picking time of Panax notoginseng seedlings is generally from the first ten days of December to late January of the following year, and the root system and seed buds should be avoided. First-class seedlings: the weight of single plant is not less than 2.5 grams, the dormant buds are fat and strong, the root system grows well, and there is no disease and insect infection and mechanical damage. Second-class seedlings: the weight of single plant is between 1.25 and 2.5 grams, the dormant buds are fat and strong, the root system grows well, and there is no disease and insect infection and mechanical damage. Third-class seedlings: the weight of single plant is between 0.75g and 1.25g, the growth of dormant buds is general, the growth of root system is average, no
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