Laurel

Laurel

(notes on materia medica)

The name of "yiyueshi" in pharmacology.

[source] it is the fruit of Lauraceae laurel.

[plant morphology] laurel, also known as Lao Li'er.

Evergreen trees, up to 9-12 meters high, with dark brown bark. Leaves alternate, leathery, oblong or lanceolate, about 6-11 cm long and 2-4 cm wide, apex acute, base cuneate, entire or slightly undulate, retrovolved, dark green, fragrant after broken; veins pinnate, both sides raised; petiole about 1 cm long, purple. Umbels axillary, dioecious; flowers small, 3-4 mm in diameter, yellow, pedicel about 1 cm long, pedicel base with involucre; male perianth 4, obovate, apex obtuse round; stamens 12, arranged in 3 numbers in each round, anthers intropetal; female perianth 4, pistil 1, ovary 1-locular, stigma short, slightly capitate. Berries oval, dark purple. The flowering period is April.

Distributed in Zhejiang, Jiangsu, Fujian, Taiwan and other places. Often cultivated in garden.

[herbal medicine] the dried fruit is oval, almost black, 15 mm long, slightly pointed at the top, with stigma residues; the surface is smooth and glossy, with coarse wrinkles. The pericarp is thin and crisp, with one seed inside. The seed coat is close to the inner wall of the pericarp. The embryo is usually brownish yellow, with two cotyledons inside. The cotyledons are fragrant and bitter, and the peel is slightly less fragrant but bitter.

[nature and taste] Compendium: "pungent, warm, non-toxic. "

[function and indications] ① materia medica: it is used to treat children's sores caused by lunar eclipse behind the ear. "

② Pharmacology of Chinese medicine: "decoctions can be used as antidotes for puffer fish. "

③ "Treating scabies". "

[usage and dosage] oral administration: decoction, 1-2 yuan. External use: grind and mix.