Convolvulus

Convolvulus

(medicinal plants in desert areas of China)

[synonym] gymnorrhiza (Inner Mongolia Chinese herbal medicine), Alopecurus alopecuroides, yellow Lama, Artemisia annua, Polygonum orientale (Chinese desert medicinal plant), eresen Alatan dulusu (Mongolian name).

[source] it is the flower and whole grass of Compositae.

[plant morphology] Trifolium repens in sandy land, also known as Trifolium repens.

Perennial herbs, 20-30 cm high. Stem erect or oblique, much branched. The leaves are alternate, slightly fleshy, linear lanceolate or narrowly oblong, 5-10 mm long and 1-2 mm wide, apex pointed, basal part embracing stem, entire, yellowish green. The head is single at the top of branchlets, 1.5 cm in diameter; the involucre is narrow and thin, different in length, arranged in several layers, light yellow; the edge is female flower, arranged in one layer, corolla ligulate, yellow; the center is bisexual flower, most, corolla tube It is yellow. Achene cylindric, corolla white, undifferentiated; receptacle flat, not covered. The flowering period is from July to August. The fruit period is from August to September.

In riparian sand, wet sandy soil, sand dunes, dry riverbed, ditches, shallow depressions, etc. Distributed in Inner Mongolia, Ningxia, Shaanxi, Gansu, Xinjiang and other places.

[collection] collect flowers in summer and autumn, collect the whole grass before flowering, wash, cut into sections and dry in the sun.

Bitter, pungent and cool.

① Inner Mongolia Chinese herbal medicine: "bitter, cold. "

② Chinese desert medicinal plants: "pungent, cool. "

Functions and indications: clearing away heat, diuresis and detoxification. Treatment of fever, adverse urination, carbuncle sores swelling poison, yellow water sores, eczema.

① Inner Mongolia Chinese herbal medicine: "clearing heat and detoxifying. It is used to treat ulcers, carbuncle, swelling, yellow water sores and eczema. "

② Chinese desert medicinal plants: "clearing heat, diuresis, preventing influenza. Treatment of fever, edema, adverse urination. "

[usage and dosage] oral administration: decoction, 1-3 yuan. External use: grind and sprinkle.

[selected formula] for treatment of yellow water sores: appropriate amount of Convolvulus and compound flowers, stir fried with yellow powder, sprinkle on the affected area; if there is no yellow water, apply sesame oil to the affected area. (Inner Mongolia Chinese herbal medicine)