Introduction of Qing Hao:Sweet Wormwood Herb or Herba Artemisiae Annuae.
✵The article gives records of the herb Sweet Wormwood Herb, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Artemisia annua L., 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 Sweet Wormwood Herb, its pharmacological actions, medicinal efficacy, and administration guide.
Herba Artemisiae Annuae(Sweet Wormwood Herb).
Pin Yin Name: Qīnɡ Hāo.
English Name: Sweet Wormwood Herb.
Latin Name: Herba Artemisiae Annuae.
Property and flavor: cold, bitter, slightly pungent.
Brief introduction: The herb Herba Artemisiae Annuae is the dried aerial part of Artemisia annua L., used to clear heat of deficiency type for relieving consumptive fever and also for combating malaria. The herb is commonly known as Herba Artemisiae Annuae, Sweet Wormwood Herb, Qīnɡ Hāo.
Botanical source: The herb Herba Artemisiae Annuae (Sweet Wormwood Herb) is the dried aerial part of Artemisia annua L., it is a plant of the Artemisia Linn. Genus, the Asteraceae family (Compositae, daisy family) of the Campanulales order.
Herbal classic book defined the herb Herba Artemisiae Annuae (Sweet Wormwood Herb) as the dried aerial part of (1). Artemisia annua L. This commonly used species is introduced:
(1).Artemisia annua L.
Botanical description: The plant, Artemisia annua L is commonly known as Yellow Flower Artemisiae, or Huang Hua Hao. An annual herb, the plant grows up to 40 ~ 150 cm tall. The whole plant has a strong smell of volatile oil. Stem is upright, longitudinally striate, much branched, smooth and glabrous. Basal leaves spread the ground, withered in the flowering period; cauline leaves are alternate, green when young, turn yellowish brown when old, glabrous, shortly stipitate, gradually sessile upward; Leaf blade is usually tripinnatisect, lobes are short and fine, with tiny powdery pubescence, the upper surface is dark green, the under surface is pea green (pale green), with fine hairs or powdery glandular spots; Leaf axis is with narrow wings on both sides; The cauline leaves on the upper part of the stem gradually turning thin and small and strip-shape. Capitulum (flower head) is a small, globular shape, about 2 mm in diameter, with slender and soft short pedicel (flower stalk), many of them form conical-shape; Involucre is a small, spheric shape, flowers are all tubular flowers, yellow, female flower is on the periphery, the hermaphrodite flower is in the center. Achene is elliptic. Its flowering period is from August to October, the fruiting period is from October to November.
Ecological environment: Artemisia annua grows in open fields, hillsides, and mountain slopes, roadsides, riverbanks, etc. The plant is mainly distributed in the north and south areas of China.
Growth characteristics: Artemisia annua prefers a warm and humid climate, is not resistant to shade, and avoids waterlogging. The seed germination temperature is 8~25 °C (Celsius, or 46.4~77 degrees Fahrenheit). It is appropriate to cultivate in sunny, loose, and fertile sandy loam rich in humus with good drainage.
Characters of herbs: The stem of the herb is cylindrical, the upper part is multi-branched, 30~80 cm long, 0.2~0.6 cm in diameter; the surface is yellow-green or brown-yellow, with longitudinal ridges, the texture of the herb is slightly hard, easily broken, with pith in the center of the fracture surface. Leaves are alternate, dark green or brownish-green, curled and fragile, intact leaves are tripinnatisect after unfolding, the lobes and lobules are rectangular-circular or oblong oval, and both surfaces are covered with short hairs. The smell of the herb is special fragrant and the taste is slightly bitter. The herb of better grade is green, leafy, and has a strong aroma.
Pharmacological actions: ①.strongest inhibitory effect on Staphylococcus aureus; ②.significant anti-malarial effects; ③.artemisinin has a fast antimalarial effect, can promote cellular immunity of the body, antiviral against influenza virus; ④.volatile oil has expectorant, antitussive, antiasthmatic effect.
Medicinal efficacy: Clear heat, relieve heat, eliminate steaming, relieve malaria. It is indicated for summer pathogen and fever, summer heat, summer heat dampness, dampness warm, Yin deficiency and fever, night heat and early cool, bone steaming heat, malaria, malaria cold and fever, jaundice, heat-dampness jaundice.
Administration of Herba Artemisiae Annuae (Qīnɡ Hāo):
Administration Guide of Herba Artemisiae Annuae (Qīnɡ Hāo)
①.Internally:6~12 grams,add later to decoct; ②.Internally:water decoction, 1.5~3 qian (about 4.5~9 grams), or prepare to pill,powder,Externally:mash and apply stick or prepare to ground herb powder and apply stick; ③.Internally:water decoction, 6~15 grams, 20~40 grams for malaria treatment, should not decoct for long time; fresh herbs double dosage, infusing in water and extract juice, or prepare to pill, powder.Externally:proper amount, prepare to ground herb powder and apply stick, or mash fresh herb and apply stick, or wash with water decoction.
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1.Introduction of Qing Hao:Sweet Wormwood Herb or Herba Artemisiae Annuae.