Rhei Radix Et Rhizoma

Rhubarb is a tall perennial herb. Grown on mountain forest margins or grassy slopes, wild or cultivated, with stout Rhizomes. Stem erect, about 2 m tall, hollow, smooth and glabrous. Basal leaves large, with Stout Fleshy petioles about as long as leaf blades; leaf blades broadly cordate or suborbicular, more than 40 cm in diameter, 3-7 palmately-parted, each lobe often repinnately divided, with papillate processes above and pilose below; cauline leaves smaller, with Short Petioles; OCREA cylindric, densely pubescent. Inflorescences large-paniculate, Terminal; pedicel slender, middle and lower jointed. Flowers purplish red or reddish purple; tepals 6, Ca. 1.5 mm long, in 2 whorls; Stamens 9; style 3. ACHENES 3-sided, winged along angles, apex retuse, base subcordate, dark brown. Flowering 6-7 months, fruiting 7-8 months.

Rhubarb is a generic name for a variety of perennial plant in the polygonaceae family, and is also the name of Chinese medicine. In the literature of China, "Rhubarb" often refers to the horseshoe rhubarb. In China, rhubarb is mainly used for medicinal purposes, but in Europe and the Middle East, their rhubarb often refers to several other edible varieties of rhubarb, stem red, fragrance, taste bitter and slightly astringent, chewing sticky teeth, a sense of sand. Stem and leaf withered in late autumn or picked before sprouting in next spring. Remove the fine root, scrape off the skin, cut the flap or segment, string string string dry or direct dry。

It has the effect of purging down attack, clearing heat and purging fire, cooling blood and detoxifying, removing blood stasis and dredging channel, removing dampness and removing yellow. It is used for constipation due to excess heat accumulation, bleeding and vomiting, swelling of eyes and pharynx, boils and boils, intestinal carbuncle and abdominal pain, blood stasis, postpartum blood stasis, injury, damp-heat dysentery, jaundice and urine red, gonorrhea, edema, external treatment of burns and scalds. Wine Rhubarb good clear on the scorching blood sub-toxic, for the Eyes Red Pharynx swelling, gingival swelling and pain. Rhubarb for purgative slow, purgative fire detoxification, for fire sores. Rhubarb Charcoal Cooling Blood Stasis hemostasis, for blood fever have blood stasis bleeding.