The source is originally contained in "Xinhua Compendium of Materia Medica".

Pinyin name Niu Jiǎo Guā

Also known as horn melon leaf, wild climbing flower, leprosy medicine, sheep dip tree

Source

Medicinal materials Origin: It is the leaves of the Asclepias family plant.

Latin plant, animal and mineral name: Calotropis gigantea (L.) Dry. ex Ait． [Asclepias gigantea L."

Harvesting and storage: Pick in summer and autumn and dry in the sun.

It is an upright shrub in its original form, up to 3m high. The young parts have gray-white thick hairs, and the whole plant has milky juice. The leaves are opposite; the petioles are extremely short; the leaves are obovate-oblong, with an acute apex and a heart-shaped base, 8-20cm long, 3.5-9.5cm wide, hairy on both sides, gradually falling off, and lateral veins 4-6 on each side. strip. Cymes umbrella-shaped, axillary or terminal; peduncle and pedicel covered with gray-white tomentose, pedicel 2-2.5cm long; calyx 5-lobed, with glands at the base of the inner surface; corolla purple-blue, broadly bell-shaped, 3cm in diameter, with corolla lobes 5. Arranged in a valvate shape; the secondary corolla is 5-lobed, fleshy, born on the back of the stamens, the apex is inward, and the base has an outwardly rolled spur; pollen pieces are 1 in each cell, oblong, and drooping. Follicles are solitary, swollen, with outwardly curved ends, 7-9cm long, 3cm in diameter, pubescent. The seeds are wide and ovate, with white silky seed hairs about 2.5cm long at the apex. Flowering and fruiting periods occur almost all year round.

Habitat distribution

Ecological environment: Born on sunny slopes at low altitudes, wilderness and seaside.

Resource distribution: distributed in Guangdong, Hainan, Guangxi, Sichuan, Yunnan and other places.

The root contains cardiac aglycones: uscharitin, uzarigenin, calotropin, and calactin [1]. Also contains triterpenoids: α-amyrin and β-amyrin, taraxasterol, φ-taraxasterol, lupeol ) and their acetate, 3′-methylbutanoate, and 24-methylenecycloartanol [3].

Slightly bitter in nature and flavor; astringent; neutral in nature; poisonous

Indications: Expelling phlegm and relieving asthma and cough. Indications: Cough with excessive phlegm; whooping cough.

Usage and dosage: Oral administration: decoction, 1-3g; or powder.

Each family discusses the "Xinhua Compendium of Materia Medica": the shoots and milk: external use to treat various skin ringworms and warts. This species is highly poisonous

and should not be taken internally.

Excerpt from "Chinese Materia Medica"