Introduction of Yuan Hua:Lilac Daphne Flower Bud or Flos Genkwa.
✵The article gives records of the herb Lilac Daphne Flower Bud, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Daphne genkwa sieb.et Zucc., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Lilac Daphne Flower Bud, its pharmacological actions, medicinal efficacy, and administration guide.
Flos Genkwa(Lilac Daphne Flower Bud).
Pin Yin Name: Yuán Huā.
English Name: Lilac Daphne Flower Bud.
Latin Name: Flos Genkwa.
Property and flavor: warm, bitter, pungent, toxic.
Brief introduction: The herb Flos Genkwa is the dried flower-bud of Daphne genkwa sieb.et Zucc., used as a hydragogue and purgative for treating severe edema, hydrothroax and ascites with oliguria and constipation, and externally for scabies and frostbite. The herb is commonly known as Flos Genkwa, Lilac Daphne Flower Bud, Yuán Huā.
Botanical source: Herbal classic book defined the herb Flos Genkwa (Lilac Daphne Flower Bud) as the dried flower-bud of the species (1).Daphne genkwa sieb.et Zucc. It is a plant of the Daphne Linn. Genus, the Thymelaeaceae family of the Myrtales order. This commonly used species is introduced:
(1).Daphne genkwa Sieb.et Zucc.
Botanical description: Daphne genkwa Sieb.et Zucc is commonly known as Yuán Huā. An upright deciduous shrub, the plant grows up to 0.3~1 meter tall, many-branched; Root grows up to 10 cm long, taproot is 0.6~1.5 cm in diameter, branched, yellowish-brown to tawny (yellow brown); Root bark is flexible. Stems are up to 1 cm in diameter, and dark brown; branches are thin and long, puce (purple brown), and branchlets are densely covered with silky pubescence.
Leaves are opposite, occasionally alternate, chartaceous (papery), short stipitate, about 1 mm long, pubescent; leaf blades are elliptic to oblong oval, 2.5~5 cm long, 0.8~2 cm wide, slightly coriaceous, the apex is pointed, entire, both surfaces of young leaves are sparsely covered with silky pubescence, denser on leaf veins, gradually fall off when leaves turn old.
Flowers are mauve (lilac), axillary, bloom earlier than leaves, usually 3~7 flowers grow and cluster on short petioles in leaf axils, more on branch tip; flowers are hermaphroditic, no flower petals; perianth tube is thin and long, about 1 cm long, densely covered with silky pubescence, apex is 4-lobed, lobes are oval (egg-shaped), length is less than 1 cm; 8 stamens, in 2 whorls, insert on the perianth tube, has no filaments; 1 pistil, ovary is superior, 1 loculus, style is very short or absent, stigma is capitate.
Drupe (drupe fruit) is coriaceous, white, elliptic, about 4 mm long, enveloped in the lower part of a persistent calyx tube, and has 1 seed, black. Its flowering period is from March to April, the fruiting period is in May.
Ecological environment: The plant grows on roadsides, and hillsides, or is cultivated in outdoor gardens, in areas at altitudes of 300~1,000 meters above sea level. The plant is distributed in the middle and lower reaches of the Yangtze River, the Hanjiang river area, and other areas of China.
Growth characteristics: The plant Daphne genkwa prefers a warm climate, it is tolerant to drought, and fears of waterlogging, it is appropriate to choose a field with fertile and loose sandy loam for cultivation.
Characters of herbs: The flower buds are mallet-shaped, slightly flattened, and mostly curved, 1~1.7 cm long, and about 1.5 mm in diameter; Often 3~7 flowers grow and cluster on a short petiole, and the base has 1~2 bracts which are densely covered with yellow fluff. The surface of the perianth tube is mauve (lilac) or celadon (grayish-green), densely covered with white pubescence, apex is 4-lobed, lobes are oval (egg-shaped), lilac or yellowish-brown. The texture of the herb is soft, has a mild odor, and tastes sweet and slightly pungent. The herb of a better grade has lilac or grayish purple flowers and no impurities.
Pharmacological actions: ①.increase intestinal peristalsis; ②.antitussive; ③.expectorant effects; ④.improve the function of the cardiovascular system; ⑤.inhibitory effects on a variety of bacteria, viruses, and fungi, etc.
Medicinal efficacy: Purge water and eliminate retained fluid, expectorant and relieve cough, detoxification and kill parasites. It is indicated for edema and swelling fullness, hydophysis in chest and abdomen, phlegm and retained fluid, hydrothorax, accumulation, hypocholic pain, abdominal distension fullness, reversed flow of Qi and asthma cough, inhibition of stool and urine, food poisoning, malarial nodule, carbuncle swelling, scabies, favus of the scalp, carbuncle boils, furuncle, tinea, chilblain, etc.
Administration of Flos Genkwa (Yuán Huā):
Reference:
Administration Guide of Flos Genkwa (Yuán Huā)
TCM Books:
①.Internally:1.5~3 grams. Prepared herb with vinegar, prepare to ground herb powder and take, 0.6~0.9 grams each time,1 time daily. Externally:proper amount; ②.Internally:water decoction, 0.5~1 qian (about 1.5~3 grams), or prepare to pill, powder. Externally: prepare to ground herb powder and apply stick, or mouthwash with water decoction; ③.Internally:water decoction, prepare to ground herb powder and take, 0.6~0.9 grams each time,1 time daily. Externally:prepare to ground herb powder and apply stick, or mouthwash with water decoction.
Contraindications, Precautions and Adverse Reactions:should forbidden using the herb Flos Genkwa during pregnancy or physical deficiency weakness, should not combine with licorice root.
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1.Introduction of Yuan Hua:Lilac Daphne Flower Bud or Flos Genkwa.
✵The article gives records of the herb Lilac Daphne Flower Bud, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Daphne genkwa sieb.et Zucc., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Lilac Daphne Flower Bud, its pharmacological actions, medicinal efficacy, and administration guide.
Pin Yin Name: Yuán Huā.
Botanical description: Daphne genkwa Sieb.et Zucc is commonly known as Yuán Huā. An upright deciduous shrub, the plant grows up to 0.3~1 meter tall, many-branched; Root grows up to 10 cm long, taproot is 0.6~1.5 cm in diameter, branched, yellowish-brown to tawny (yellow brown); Root bark is flexible. Stems are up to 1 cm in diameter, and dark brown; branches are thin and long, puce (purple brown), and branchlets are densely covered with silky pubescence.
Leaves are opposite, occasionally alternate, chartaceous (papery), short stipitate, about 1 mm long, pubescent; leaf blades are elliptic to oblong oval, 2.5~5 cm long, 0.8~2 cm wide, slightly coriaceous, the apex is pointed, entire, both surfaces of young leaves are sparsely covered with silky pubescence, denser on leaf veins, gradually fall off when leaves turn old.
Flowers are mauve (lilac), axillary, bloom earlier than leaves, usually 3~7 flowers grow and cluster on short petioles in leaf axils, more on branch tip; flowers are hermaphroditic, no flower petals; perianth tube is thin and long, about 1 cm long, densely covered with silky pubescence, apex is 4-lobed, lobes are oval (egg-shaped), length is less than 1 cm; 8 stamens, in 2 whorls, insert on the perianth tube, has no filaments; 1 pistil, ovary is superior, 1 loculus, style is very short or absent, stigma is capitate.
Ecological environment: The plant grows on roadsides, and hillsides, or is cultivated in outdoor gardens, in areas at altitudes of 300~1,000 meters above sea level. The plant is distributed in the middle and lower reaches of the Yangtze River, the Hanjiang river area, and other areas of China.
Characters of herbs: The flower buds are mallet-shaped, slightly flattened, and mostly curved, 1~1.7 cm long, and about 1.5 mm in diameter; Often 3~7 flowers grow and cluster on a short petiole, and the base has 1~2 bracts which are densely covered with yellow fluff. The surface of the perianth tube is mauve (lilac) or celadon (grayish-green), densely covered with white pubescence, apex is 4-lobed, lobes are oval (egg-shaped), lilac or yellowish-brown. The texture of the herb is soft, has a mild odor, and tastes sweet and slightly pungent. The herb of a better grade has lilac or grayish purple flowers and no impurities.
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