Hangzhou Botanical Technology Co., Ltd.

Houttuynia Herb:planting environment and functions


Houttuynia cordata is the dry water part of the perennial herb Houttuynia sinensis. Produced in the provinces south of the Yangtze River Basin in China. See "Bielu of Famous Doctors" for the name. Tang Susong said: "It grows in wetlands, and can also grow in the shade of valleys. The leaves are fat like buckwheat, and the stems are purple-red. People in Jiangzuo like to eat them raw. Guanzhong calls them water spinach. The leaves have a fishy smell, so they are commonly called: Houttuynia cordata."

plant form
Perennial herb, 60cm high. The lower part of the stem is prostrate, the upper part of the stem is erect, the upper part is erect, glabrous or hairy on the nodes. Leaves alternate, thin papery, with glandular points; petiole length 1-4cm; stipules membranous, strip-shaped, about 2.5cm long, the lower part and petiole conjoined to form a sheath, base enlarged, slightly clasping; leaves ovate or broadly ovate Shape, 4-10cm long, 3-6cm wide, apex short and acuminate, base heart-shaped, margin entire, green above, often purple below, pilose on both veins. Spikes are born on the top of the stem, about 2cm long and 5mm wide, opposite to the leaves; 4 involucral bracts, oblong or obovate, 1-1.5cm long, 0.6cm wide, white; small and dense flowers , without perianth; stamens 3, filaments 3 times as long as anthers, lower part united with ovary; pistil 1, composed of 3 carpels, ovary superior, styles 3, separated. Capsule ovoid, 2-3cm long, dehiscing at apex, with persistent style. Seeds numerous, ovate. The flowering period is from May to June, and the fruiting period is from October to November. the
ecological distribution
Ecological environment: It grows in ditches, streams and moist forests.
Distribution of resources: distributed in Shaanxi, Gansu, northern Sichuan and south of the Yangtze River Basin.

Wild in damp or waterside lowlands, likes warm and humid environment, avoids drought. Cold-resistant, afraid of strong light, it can survive the winter at -15°C. The soil grows best in fertile sandy loam and humus loam, not suitable for clay and alkaline soil cultivation.


Heat-clearing and toxic substances removing; Evacuating pus and eliminating carbuncle; Inducing diuresis and treating stranguria. Control lung carbuncle and spit pus; phlegm-heat wheezing and coughing;

Usage and dosage Oral administration: decoction, 15-25g, not suitable for prolonged decoction; External application: appropriate amount, pounded for applying or decocted for fumigation.

1. It is used for pulmonary carbuncle cough, vomiting of pus and blood, cough due to lung heat, yellow and thick phlegm, etc. The former is often used with Platycodon grandiflorum, reed rhizome, winter melon kernel, etc. to strengthen the effect of clearing away heat and detoxification, reducing swelling and draining pus; the latter is often used together with scutellaria baicalensis, Fritillaria, Morus alba and other medicines for clearing lung, resolving phlegm and antitussive. This product is the key medicine for treating lung abscess.

2. For heat-toxin sores, it is often used together with heat-clearing and detoxifying medicines such as viola chinensis, honeysuckle, and forsythia. It can be used both internally and externally.

3. It is used for astringent and painful urination in Relin, and it is often used together with diuretic and stranguria drugs such as akebia, talc, and plantain seed.

Modern multi-purpose treatment of lung abscess, pneumonia, acute and chronic bronchitis, urinary tract infection and so on.

Houttuynia cordata is used as medicine. Traditional Chinese medicine believes that its taste is pungent and cold in nature. It can clear away heat and detoxify, relieve pain and swelling, treat sores, diuresis and dehumidification, invigorate the stomach and eliminate food. The sore swollen toxin, hemorrhoids, blood in the stool, spleen and stomach heat accumulation, etc., single use or compatibility compound, internal and external use or the use of various folk diet therapy methods have definite curative effects. Pharmacological research shows that Houttuynia cordata mainly contains volatile oil, decanoyl acetaldehyde houttuydine and other ingredients, which have inhibitory and antibacterial effects on various pathogenic bacteria, cocci, influenza viruses, Leptospira, etc., and can improve human immune regulation Features.

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