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 the beginning of bloom, white when in full bloom; calyx and Corolla 5 each. The berries are reniform, bright red when ripe, with 1 to 3 white seeds, mostly 2, oblate. The florescence is from July to September and the fruiting period is from September to November.
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How to select and prepare the seedling field of Panax notoginseng
Select the shady slope on the back, the slope is about 5 °~ 10 °, the soil drainage is good, the texture is loose, the red soil or brown red soil with aggregate structure is suitable, the pH is 5.5-7.0. the moderately acidic soil is suitable, while the heavy clay soil is easy to cause root rot, so it is not suitable to choose. The soil was ploughed several times 2-3 months before sowing, with a depth of 30 cm to make the soil weathered, while weeds, roots and stones were thoroughly removed, and combined with ploughing, 25 g / m 2 of lime 75 kg or 50% carbendazim wettable powder per mu was applied for soil disinfection.
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Panax notoginseng-- Panax notoginseng
Panax notoginseng: the dried tuber of Bvoussingaultiagracilis Mirrsvar.pseudobaselloidesBailey. 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, diameter 1~3cm. All have a large number of verrucous buds and broken round scars. The surface is grayish brown, with curved longitudinal wrinkles and less
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