Rhododendron sibiricum

Rhododendron sibiricum

(selected Chinese herbal medicines from Simao, Yunnan)

[synonym] Badu powder (Yunnan Simao herbal medicine selection), Yahan mannan (Dai name).

[source] it is the leaf or root of Malvaceae.

[plant morphology] rhodomyrrhiza

Subshrub like herbs or subshrubs, 0.3-1 m high, erect, much branched. Twigs green, reddish brown when old, slightly pubescent or subglabrous. Leaves alternate, lanceolate, 3-5 cm long, apex short pointed and acuminate, base rounded or obtuse, margin serrulate, near base often entire, above bare, green, frost light red, below light green; petiole; stipules lanceolate, longer than petiole. Flowers axillary, single or several clustered, petiole short; calyx connate, calyx tube nearly spherical, apex 5-lobed, lobes triangular, short pointed, green; petals 5, base connate, yellow; stamens many; carpels 4-9, bracts hidden in calyx, wrinkled, and short awn. Capsule oblate. The flowering period is autumn and winter.

Born in the roadside mountains and hills. Distributed in Fujian, Taiwan, Guangdong, Guangxi, Yunnan and other places.

[collection] collected in summer and autumn.

[pharmacological action] Radix Astragali was replaced by Radix Astragali in Fujian folk medicine. In animal experiments, huanghuaren and Huangqi decoction can reduce the blood pressure of anesthetized rabbits and inhibit the isolated frog heart. On the other hand, Astragalus membranaceus has obvious excitatory effect. The results showed that both Astragalus membranaceus and chlorphenidium flaviflorum had excitatory effect on the intestinal tract of rabbits in situ, while Astragalus membranaceus could reduce the tension of isolated rabbit intestine, while chlorphenidium flaviflorum could increase it. No mice died within 24 hours after intraperitoneal injection of 12.5-50 g / kg of the two decoction, but one of the five mice in the high-dose group died 48 hours later.

It is cool in nature and pungent in taste.

Functions and indications: clearing away heat and toxin, detumescence and pain, astringency and muscle growth. Treat cold, mastitis, dysentery, enteritis, injury, fracture, carbuncle, furuncle, traumatic bleeding.

[usage and dosage] oral administration: decoction, 0.5-1 Liang. External use: fresh product tamping or powder spreading.

[selection] treatment of mastitis: Badu powder, dandelion, decoction. External use of Badu powder plus fresh cabbage and brown sugar tamped on the affected part. (the following is a selection of Yunnan Simao Chinese herbal medicine.)