source

The source of medicinal materials: leaves of Zanthoxylum bungeanum of Lauraceae.

Latin plant and animal mineral name: Litsea Cubeba (Lour.) Pers. [Laurus Cubeba Lour.]

Harvesting and storage: harvesting in summer and autumn, removing impurities, fresh use or drying in the sun.

The deciduous shrub or small tree of the original form of Zanthoxylum bungeanum can reach 10m in height. Leaves and fruits are fragrant. Roots conical, grayish white; Young tree bark is yellow-green, smooth, and old tree bark is grayish brown. Leaf buds without scales; Young branches are slender and silky. Leaves membranous, alternate; Petiole slender, long1-2 cm; Leaf blade is lanceolate or oblong, 4-1/cm long and 1.2-2.5cm wide, with tapering apex, wedge-shaped base, whole margin, dark green on the top, pale green on the bottom, hairless on both sides, pinnate veins and 6- 10 on each side of lateral veins. The flower leaves open first, dioecious; Umbellies are solitary or clustered, with slender pedicels, 5- 10mm long, 4 bracts and 4-6 florets on them, which are light yellow; Perianth lobes 6, obovoid; Fertile stamens 9, arranged in 3 rounds, and the glands at the base of the third round have short stalks. There are many staminodes in female flowers, the ovary is oval, the style is short, and the stigma is head-shaped. Berry drupe is nearly spherical, 4-5mm in diameter, hairless, green when young and black when mature; The pedicel is 2-4mm long. The flowering period is from February to April, and the fruiting period is from June to August.

Habitat distribution

Ecological environment: Born in sunny slopes, hills, thickets on forest margins or sparse forests.

Distribution of resources: distributed in Southwest China, South China, Anhui, Jiangsu, Zhejiang, Jiangxi, Fujian, Taiwan Province, Tibet and other places.

Trait Identification The leaves are lanceolate or oblong and easily broken. The surface is brown or brownish green, with a length of 4- 10cm and a width of 1-2.5cm, the apex is tapered, the base is wedge-shaped, the whole margin is obvious, and the pinnate reticulate veins are slightly protruding on the lower surface. The quality is brittle. The breath is fragrant and the taste is pungent and cool.

Chemical composition leaves contain only 0.006% volatile oil.

Mainly cineole.

Caryophyllene (caryophyllene)

Bornyl acetate (bornyl acetate)

Limonene (limonene)

γ-elemene (γ-elemene)

Geranyl acetate, etc.

Pungent in nature; Slightly bitter; temperature

Function indication: regulating qi and dispersing stagnation; Detoxification and detumescence; Stop bleeding. Indications for carbuncle, swelling and pain; Breast carbuncle; Snakes and insects bite; Traumatic bleeding; Foot swelling; Chronic tracheitis.

Usage and dosage for external use: appropriate amount, pounded with fresh leaves; Or decoct in water and wash the whole body warmly.

Excerpt from Chinese materia medica