Hainan Panax notoginseng
Panax notoginseng (KaempferiarotundaL.), genus kaempferia of Zingiberaceae.
1. Morphological characteristics: also known as feather ginger, also known as round lips in Taiwan. It is a perennial herb with a massive rhizome. Leaf blade oval moment round, 17 cm long, 7.5 cm wide, light green, dark green markings, dark green on both sides of veins, purple back; petiole short, grooved. Spikes have 4-6 flowers, spring directly from the rhizome, first leaves drawn, born in purple-brown bracts 4.5 × 7 cm long; Corolla tube as long as sepals, striate, white, spreading when flowering, lateral staminodes lanceolate, white, erect, lip blue-purple suborbicular, deeply 2-lobed below middle, beautiful and fragrant. The florescence is from April to May.
2. Growth habits: Hainan Panax notoginseng is produced in southern Guangdong, Hainan, Guangxi and Taiwan. It is distributed from south to southeast of Asia. Like high temperature, moist and sunny environment. It is suitable for sandy loam with good drainage, rich humus and loose. The suitable temperature for growth is 20-28 ℃.
3. Propagation and cultivation: the rhizome is generally used for ramet propagation. When breeding, choose full and budding rhizomes and store them in the sand to survive the winter. When planting from March to April of the next year, the one-year-old rhizome was taken out, and the wound was coated with plant ash. In Guangzhou, when the leaves withered and dormant, they could stay in the basin soil for the winter, keep the basin soil slightly moist, and plant it before germination in the next spring.
Panax notoginseng in Hainan can be cultivated in ground or pot. Adequate basal fertilizer should be applied in the process of cultivation. Fertilize 2-3 times from spring to autumn, and stop fertilizing in winter.
4. Use: because of the beautiful fishbone-shaped pattern on the leaves and purple back leaves, Panax notoginseng is a beautiful foliage plant, which can be used for garden layout or potted indoor viewing; at the same time, because of its flowers before leaves, the flowers are many and gorgeous, the four petals are red and white corresponding to very elegant, and the flower viewing effect is also very good. At present, under artificially controlled cultivation conditions, it can blossom before the Spring Festival.
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How to distinguish the true and false of Panax notoginseng
Panax notoginseng is a special and valuable medicinal material in Guangxi, Yunnan and other provinces and regions, and its application has a long history of at least 500 years. Panax notoginseng is a wonderful Chinese herbal medicine which blindly integrates strengthening and dispelling evil. It belongs to the same family as ginseng and has a botanical relationship. It not only has the effect of tonifying qi and blood similar to ginseng, but also has the incomparable effect of ginseng. All kinds of injuries, fractures, bruises, internal and traumatic bleeding, women's metrorrhagia and so on all have remarkable effects. In recent years, it has been used to treat coronary heart disease, neurasthenia, digestive tract ulcer and rheumatism.
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Overwintering management of herbal medicines-- Panax notoginseng, Coptis chinensis, Morinda officinalis, Ligusticum chuanxiong
Panax notoginseng: when the leaves of the plant turn yellow and wither in winter, cut off the aboveground stems and leaves about 3 cm from the ground, collect the dead stems and leaves, root out weeds and diseased bodies inside and outside the garden, burn them all outside the garden to clean the countryside, and spray the border surface with 1: 1: 200 Bordeaux solution or 0.2: 0.3 Bomedo stone sulfur mixture to disinfect the soil completely. It is found that there is a root phenomenon, cultivate the soil properly. In addition, after clearing the garden in November, 2000 kg per mu of rotten mixed fertilizer was applied to the root of the plant to protect the bud safely through the winter. Before the seedlings were unearthed
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