Plumeria rubra

Plumeria rubra

(collection of herbs in Lingnan)

[synonyms] egg yolk flower, leichui flower (Guangdong traditional Chinese Medicine II), big season flower (Guangxi Medicinal Plant List).

[source] it is the flower of Plumeria, a plant of neriaceae.

[plant morphology] Plumeria, also known as Burmese gardenia.

Shrubs to small trees, 3-7 meters high, with milk. Branchlets thick and fleshy, with leaves gathered at the top. The leaves are scattered, stipitate, oblong, 20-40 cm long and 7 cm wide, both ends becoming narrower and bare, with pinnate veins. The lateral veins are connected to form one vein near the edge. The cymes are terminal, with large flowers, most of which are very fragrant; the calyx is small, 5-lobed, and the lobes are blunt; the Corolla is white and slightly reddish outside, yellow at the base of the inner surface, 5-6 cm long, and the lobes are obovate, covering each other, much longer than the corolla tube; the male cymes are yellow Pistil 5, inserted at the base of corolla tube, anther obtuse, base rounded, separated from stigma: ovary superior, carpel 2, separated. Follicles oblong. The flowering period is August.

It is cultivated in gardens and flower beds. Distributed in Guangdong, Guangxi and other places.

[collection] the flowers in full bloom are picked in summer and autumn and dried in the sun.

[medicinal material] the dried flower is yellowish brown to tan, shrunken, mainly composed of 5 large petals arranged in rotation. Petals obovate, ca. 3 cm long, ca. 1.5 cm wide; lower part united into a tube, ca. 1.5 cm long. Stamens 5, filaments very short; sometimes small ovate ovary. It is mellow, light and slightly bitter. It is better to have clean flowers, dry, yellow brown and fragrant.

[pharmacological action] unknown. The water extracts from different parts of its original plant Plumeria rubral. Have local anesthetic and nonspecific antispasmodic effects on rabbits, guinea pigs, cats and mice. The bark contains a white crystalline glycoside, camptothecin, which has no stimulation to mucous membrane, no effect on respiration and circulation after intravenous injection, and no direct effect on isolated uterus. People take 0.2-0.3 g orally before going to bed. They can diarrhea 1-2 times in the next morning. If the dose is more than 0.3 g, they can also benefit from excrement. 5 μ g / ml can inhibit the growth of tuberculous castor.

[nature and taste] Nanning medical records: "sweet, flat, non-toxic. "

[functions and indications] 1. Lingnan caiyao Lu: "it can treat dysentery due to damp heat. It can also moisten the lung and detoxify. "

② "Zhike" is an effective way to relieve cough. "

[usage and dosage] oral: decoction, 1.5-4 yuan.

[optional formula] for dysentery and diarrhea in summer: dried Plumeria for four to eight yuan, fried in water. (Handbook of commonly used Chinese herbal medicine of Guangzhou Army)