Chinese name: Bo Luohui

Latin name: Macleaya cordata (Willd.) R. Br.

Aliases: Boluohui, Boluohui, Pineapple tube, big leaf lotus, Sanqiansan, etc.

Family: Papaveraceae

Distribution area: Jiangsu, Anhui, Zhejiang, Jiangxi and Sichuan, etc.

1. Morphological characteristics of Boluohui

Boluohui stems are erect or inclined, grayish-white, smooth and hollow, about 4 meters high, the whole plant is covered with silty and branched, and the leaves are oval or wide-ovate. Shape, about 25 cm long, the apex is obtuse or acuminate, with deep and shallow lobes, the lobes are semicircular, the edges are wavy and serrated, the leaf surface is glabrous, the back of the leaf is pubescent and white powder, and it falls off automatically after maturity. The veins are thin and shallowly grooved, the inflorescences are terminal or axillary cone-shaped, the sepals are pale yellow, the capsules are narrow and long-lanceolate and glabrous, the seeds are oval, and the flowering and fruiting period is June-November.

2. Habits of Boluohui

Boluohui is often born in thickets or hills at an altitude of 150-830 meters, and prefers sunny, humid and warm climates. Drought-resistant, not easy to lose water even in dry season, cold-resistant, can grow normally at low temperature, slow growth in long-term frost environment, not strict on soil, suitable for fertile, well-drained sandy or clay loam growth, Semi-shade tolerant, too much shade will not grow well, not waterlogging, easily lead to root rot.

3. The value of Boluohui

Boluohui has garden and medicinal value. The plants are harvested in autumn and winter, the rhizomes and stems and leaves are dried separately, and then stored in a dry environment. Its taste is more bitter, acrid, and warm and toxic. When taking it, it needs to be taken in moderation. However, its pharmacology is mainly aimed at the auxiliary treatment of finger boils, abscesses, acute tonsillitis, otitis media, trichomonas vaginitis, lower extremity ulcers, scalds and other diseases.

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