Mei Hua

Mei Hua is a kind of traditional Chinese medicine. It is the dried flower buds of Prunus mume (Sieb.) Sieb. et Zucc. of the family Rosaceae, so Meihua is also known as plum flower. The flowers are picked in early spring before they open and dried at low temperatures in time. It is mainly used for medicine, mainly produced in Jiangsu, Zhejiang, and other places; mainly produced in Sichuan, Hubei, and other places.

Mei Hua is sphere-like, 3-6 mm in diameter, with short pedicels. Bracts several layers, scalelike, brownish. Calyx 5, grayish green or brownish red. Petals 5 or more, yellowish white or pale pink. Stamens numerous; pistil, ovary densely finely pilose. Body light. Scent fresh, and tastes slightly bitter and astringent.

Plum is a small tree, sparse shrub, 4-10 m tall; bark light gray or greenish, smooth; branchlets green, smooth and glabrous. Leaf blade ovate or elliptic, 4-8 cm long, 2.5-5 cm wide, apex caudate, base broadly cuneate to rounded, leaf margins often with small acute serrations, gray-green, pubescent on both surfaces when young, gradually deciduous as it grows, or pubescent only between the axils of the veins below; petiole 1-2 cm long, hairy when young, deciduous when old, often with glands.

Flowers solitary or sometimes 2 together in 1 bud, 2-2.5 cm in diameter, strongly scented, opening before the leaves; pedicel short, ca. 1-3 mm, often glabrous; calyx usually reddish-brown, but in some species, it is green or greenish-purple; calyx tube broadly campanulate, glabrous or sometimes pubescent; sepals ovate or suborbicular, apex rounded; petals obovate, white to pink; stamens short or slightly longer than petals; ovary densely pilose, style shorter or slightly longer than stamens.

Fruit subglobose, 2-3 cm in diameter, yellow or greenish-white, pilose, sour-tasting; pulp and kernel pasted; kernel ellipsoid, apically rounded with a small protruding tip, base attenuated into a cuneate shape, sides slightly compressed, ventral ribs slightly obtuse, with obvious longitudinal grooves on both ventral and dorsal ribs, surface with foveolate pores. Fl. winter-spring, fr. May-June (in N China fr. extended to July-August). 2n = 16, 24.

Mei Hua likes a warm climate, not very cold hardy, more drought tolerant, not tolerant of waterlogging, and long life, up to a thousand years. The flowers are sensitive to climate change, avoiding heavy rainfall and preferring air with high humidity.

In addition, the apricot plum series varieties can tolerate -25 ℃ low temperature, and generally tolerate -10 ℃ low temperature. High-temperature tolerance can also grow in 40 ℃ conditions.

The growing period should be placed in a sunny, well-ventilated place, if in a shaded environment, light is not enough, the growth of thin, sparse flowering. Do not enter the room too early in winter, late November into the room is appropriate. Put in a sunny place indoors, the temperature can be maintained at 5 ℃.

Mei Hua has the effect of strengthening the spleen and nourishing the stomach, improving appetite, and quenching thirst.

Plum blossom is the flower bud of green calyx plum of the Rosaceae family, with a beautiful appearance, fragrant smell, and bitter, slightly sweet, and slightly acidic cool taste, and belongs to the liver, stomach, and lung meridian. The buds are collected in early spring, and after low-temperature drying, they can be used as Chinese herbal medicine to strengthen the spleen and stomach, improve appetite, and quench thirst.

Meihua is good for the health of the stomach. It can harmonize the stomach and dissolve phlegm and can soothe the liver and strengthen the spleen, which helps to expel toxins from the body and is good for the health of the spleen and stomach. If you have liver and stomach pain and other symptoms, you can take plum blossom to improve, the plum blossom with Chai Hu and Buddha's hand together, decoction to take the liquid, the efficacy is more significant.

Mei Hua has an appetizing effect and can promote food digestion, helping to prevent indigestion and improve appetite, relieving symptoms such as loss of appetite and anorexia.

Plum flower is also a thirst quencher, increasing saliva levels and helping the body to stay more hydrated. If you have a dry mouth, lack of fluid and other problems, drinking water with plum blossoms can play a role in improving.

Mei Hua is traditional Chinese medicine, and taking it according to medical advice usually does not produce side effects. However, pregnant women and people with a cold spleen and stomach should not take the medicine casually to avoid negative effects.

Pregnancy is a special period for women when it is not advisable to use Chinese medicine, otherwise, it may affect the growth and development of the fetus.

It is believed that the Chinese medicine Mei Hua is pungent, sweet, slightly bitter, and cold in nature. People who take the medicine without permission may increase the burden on the gastrointestinal tract, causing or aggravating diarrhea, abdominal pain, and another uncomfortable symptom

Plum blossom has the effect of clearing heat and detoxifying the body and relieving qi and depression and is suitable for summer heat and thirst, sore throat, dizziness, whooping cough, and pediatric measles.

There are many varieties and species of Mei Hua, which can be divided into two categories: flowering plum and fruiting plum. Flowering plums are mainly for ornamental use. The fruit plums are mainly used for processing or medicinal purposes, and are generally processed into various kinds of preserves and jams; the green plums are processed into umeboshi for medicinal purposes, which is an astringent and can cure dysentery, and has the effects of cough suppression, expectorant, antipyretic, insecticide, etc. It is also used as a raw material for the extraction of citric acid; the flower buds can appease the stomach and disperse depression, produce fluid and phlegm, and activate blood detoxification; the roots are powdered to treat anthrax effectively. The plant is sensitive to hydrogen fluoride pollution and can be used to monitor atmospheric fluoride contamination. The immature fruits contain citric acid, malic acid, succinic acid, etc.; the seeds contain bitter amygdalin; the flowers contain volatile oil, which contains benzaldehyde and benzoic acid.

Plum blossom is most suitable for planting in courtyards, lawns, and low hills, and can be planted alone, in bushes, groups. It can also be planted in pots or cut into various kinds of stakes, or used as cut flowers in vases for indoor decoration.

Flower buds (Mei Hua): slightly sour, astringent, and flat. Opening depression and harmonizing the middle, resolving phlegm, and detoxifying. Used for depression and distraction, liver and stomach gas pain, plum kernel gas, scrofula, and sores. Fruit (Ume plum): Sour, astringent, flat. Astringent to the lung, astringent to the intestines, promoting the production of body fluid and calming roundworm. Used for lung deficiency and prolonged cough, deficiency heat and thirst, roundworm syndrome, vomiting and abdominal pain, and biliary ascariasis.

The ancient Chinese literati were fond of Mei Hua and regarded plum appreciation as an elegant thing. Appreciation of plum blossoms is valued in the word "exploration" and generally focuses on color, fragrance, shape, rhythm, and time.

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