origin
It is the whole grass of Hedyotis diffusa of Rubiaceae.
Summer harvest, fresh use or drying.
Born in grasslands, forest margins and scrub.
Distributed in South China and Southwest China.
Alias: Crocodile grass, Carassius auratus, Mountain centipede, Pteris vittata, centipede on the road, Crocodile, Carassius auratus, Gentiana scabra, Sophora alopecuroides, Crocodile, Eupatorium adenophorum, Sang Xue grass, Hedyotis diffusa, buckwheat cake grass and wild licorice.
Original shape
Hedyotis diffusa is a perennial herb with a height of 30- 100cm.
Stems are nearly erect or procumbent, branchlets are densely short and coarse, nearly quadrangular when young, round when old, usually rooting at nodes and opposite leaves;
Petiole 2.7 mm long, stipules membranous, hairy, combined into a short sheath, the top 5-7 split into bristles;
Leaf blade nearly leathery, lanceolate or elliptic, 3-8 cm long and 1-2.5 cm wide, with acute or acuminate tip and wedge-shaped or slightly downward base,
The upper surface is smooth or rough, and the lower surface is often covered with powdery short hair, with 4-6 pairs of lateral veins.
Cymes are densely clustered to form heads and axillary;
There is no total pedicel; Bracts lanceolate, small; Flowers 4, subsessile; Calyx tube length 1 mm, hairy, lobes lanceolate, length 1- 1.2 mm;
Corolla white, 2.5-3 mm long, lobes long 1.5- 1.8 mm, widely distributed; Stamens are born in the throat of corolla tube, and anthers are prominent; Stigma 2-lobed.
The capsule is spherical, with a diameter of 1.2- 1.5mm, and does not crack when it matures.
2-6 seeds per room, with pits in the seed coat. The flowering period is late spring and early summer.
Sexual and taste efficacy
National compilation of Chinese herbal medicines
Bitter and cold.
Clearing away heat and toxic materials, cooling blood and reducing swelling. Used for common cold, fever, cough due to lung heat, sore throat, acute conjunctivitis, enteritis and dysentery; External use for treating snake bite, traumatic injury, carbuncle, mastitis and eczema.
Appropriate amount is applied externally, fresh leaves are pounded and applied to the affected area, or decocted and washed.
Traditional Chinese medicine dictionary
Sweet and sour, plain and faint. "
Clearing away heat and toxic materials. Treat snake bite, insect bite, sore throat, bloody stool and dental diseases.
A cursive script
Bitter; cool
Clearing away heat and toxic materials; Cooling blood and reducing swelling. Main cold and fever; Lung heat cough; Sore throat; Enteritis; Dysentery; Hemorrhoid bleeding; Collapse and leakage; Snakebite; Mastitis; Furuncle and furuncle poison; Eczema; Injuries caused by falls and collisions
dosage
Oral administration: decoction, 10- 15g. External use: appropriate amount, tamping; Or fried and washed.