Setcreasea purpurea Boom. (Latin scientific name: Setcreasea purpurea Boom.), also known as Setcreasea purpurea Boom., also known as Setcreasea purpurea Boom., is a perennial herbaceous plant of the Setcrease family, with a plant height of 20- 30 cm, the leaves are oblong, slightly curly, purple-red, and covered with fine tomentose. The stems are purple-brown, upright at first, and become semi-vine after elongation, taking on a prostrate shape. It blooms in spring and summer, with pink flowers in some varieties and white stripes on the leaves. The flowers are small and white, blooming in summer and autumn. Flowers are larger under conditions of sufficient sunshine.

Purple commelina ("Guangxi Traditional Chinese Medicine") has the same name as Xue Jianchou ("Guangxi Traditional Chinese Medicine"), duckweed, Benshan golden thread, duck tongue yellow ("Quanzhou Materia Medica").

The source is the whole plant of the Commelina family plant, Purple Dew.

Collected in summer and autumn, dried or used fresh.

Nature and flavor "Guangxi Traditional Chinese Medicine": "Bland and sweet taste, cool in nature, poisonous."

Meridians ① "Guangxi Traditional Chinese Medicine": "Enter the heart and liver meridians. "② "Quanzhou Materia Medica": "Enter the four meridians of liver, gallbladder, kidney, and bladder."

Functions include promoting blood circulation, diuresis, reducing swelling, dispersing stagnation, and detoxifying. Cure carbuncle, swollen venom, scrofula, tuberculosis, and gonorrhea.

① "Guangxi Traditional Chinese Medicine": "Activate blood circulation, stop bleeding, and detoxify snake venom. Treat snake blisters, sores, snake bites, bruises, and rheumatism."

② "Quanzhou "Compendium of Materia Medica": "Diminishes water and removes phlegm, dissipates stagnation and eliminates toxins."

Usage and dosage Oral administration: decoction, 3 to 5 qian (1 to 2 taels for fresh). External use: Pound and apply or decoct and wash with water.

Taboos "Guangxi Traditional Chinese Medicine Chronicle": "Pregnant women should not take it."

Choose prescriptions ① Treat carbuncle, ulcer and swollen poison: fresh purple commelina and cactus palm are pounded and applied. ("Quanzhou Materia Medica")

② To treat tuberculosis in the groin or armpit: 2 liang of fresh purple commelina. Decoction in water. Or add celestial beings and fry together. ("Quanzhou Materia Medica")

③Treatment of snake sores: Purple commelina leaves, boiled and washed. ("Guangxi Traditional Chinese Medicine")

④Cure various stranguria: 1 to 2 liang of fresh purple commelina. Decoction with rock sugar.

("Quanzhou Materia Medica")