Cotinus coggygria

Cotinus coggygria

(notes on materia medica)

[synonyms] Cotinus orientalis and Cotinus coggygria (Chinese tree taxonomy), Cotinus coggygria (economic plant manual), and yueliangchai (Guizhou plant medicine survey).

[source] it is the wood of Cotinus coggygria.

[plant morphology] Cotinus coggygria

Deciduous shrubs or trees, up to 8 m in height. Leaves simple, alternate, obovate, 3-8 cm long, 2.5-6 cm wide, apex rounded or slightly concave, base rounded or broadly cuneate, entire, glabrous or pubescent only on inferior veins, lateral veins 6-11 pairs, apex often forked; petiole thin, 1.5 cm long. Inflorescence terminal; flowers heterozygous, ca. 3 mm in diameter; sepals 5, lanceolate; petals 5, oblong, as long as sepals; stamens 5, shorter than petals; ovary superior, with 2-3 short lateral styles. The ear is 5-20 cm long, with many slender pedicels of sterile flowers, which are purple green and feathery. Drupe reniform, 3-4 mm in diam., red when ripe. The flowering period is April. The fruit period is June.

It is often found on sunny hillsides. It is distributed in North China, Southwest China, Zhejiang, Shaanxi and other places.

The branches and leaves of this plant (Cotinus coggygria) are also used for medicine. Please refer to the special section for details.

[chemical composition] the wood contains sulfur-containing flavin and its glucoside, as well as tannins such as myricetin and gallic acid. It is also said that the tannin content of wood (with bark, 20 years old) is 6.54%.

[nature and taste] notes on materia medica: "it tastes bitter, cold and nontoxic. "

[functions and indications] 1. In the collection of Materia Medica, it can be used to remove heat, relieve alcohol and jaundice, and make eyes yellow. "

② "Rihuazi Materia Medica": "wash soup, fire, lacquer sores and red eyes. "