Purple snowflake

Purple snowflake

(list of medicinal plants in Guangxi)

[synonyms] zihuadan (flora of Guangzhou), Xie Sanniang (materia medica of Luchuan), honghuadan (flora of Guangxi).

[source] it is the stem, leaf and flower of purple snowflake.

[plant morphology] purple snowflake

Perennial herbs. Erect or climbing, about 1.5 meters high. The stem is green. Leaves alternate, ovate or oblong ovate, 8-13 cm long, apex short pointed or obtuse, base gradually narrowed into a short stalk, entire, papery. Spikes terminal, 15-30 cm long; calyx tubular, 5-lobed, 8-10 mm long, covered with stipitate glands; corolla red, high pedunculate, discoid, tube about 2.5 cm long, lobes 5, expanded; stamens 5; ovary superior, 1-locular, style 5. It blooms in winter.

It is often cultivated in gardens in Guangdong, Guangxi and Yunnan.

[chemical constituents] the whole plant contains dipyridamole and so on.

[pharmacological action] the water extract of the root has an excitatory effect on the isolated guinea pig uterus, and can strengthen the uterine contraction when taken orally by puerpera. The lethal dose to rabbits is about 0.01 g / kg.

[nature and taste] Lu Chuan Ben Cao: "pungent, warm. "

[function and indications] ① in "Lu Chuan Materia Medica": "breaking blood, relieving pain, regulating menstruation. Treatment of menstrual closure, menstrual abdominal pain, wet ringworm, ulcer. "

② "Guangxi medicine plant directory": "whole plant: treating rheumatism. "

[usage and dosage] oral: decoction, 2-4 yuan. External use: tamping or frying and washing.

[taboo] Lu Chuan Ben Cao: "pregnant women should not take it. "