Tai Tsuen Ma

Tai Tsuen Ma

(Yunnan Chinese herbal medicine)

[synonym] big Qian Ma, stem MA (Yunnan materia medica), Qian Ma, nettle, scorpion grass (Yunnan herbal medicine).

[source] the whole plant or root of scorpion grass of Urticaceae.

[plant morphology] scorpion grass

Herbs perennial, about 1.5-2.5 m tall, all covered with short hairs and sharp spiny stings. Usually tufted, stems ribbed. Leaves alternate; leaf outline pentagonal, length and width (0-25 cm), base shallowly cordate or nearly truncated, palmately 3-lobed, 1-lobed with a few triangular lobes, margin with coarse teeth, sparsely scabrous on the top, pubescent on the bottom, 3 basal veins; petiole 4-15 cm long; stipules connate, broadly ovate. Usually dioecious; male inflorescence 12 cm long, male flowers dense, perianth segments 4, stamens 4; female inflorescence 18 cm long, with a few branches; female flowers dense, perianth segments 2, unequal in size; stigma filiform. Achenes broadly ovate, flat, smooth.

It grows in damp places near the forest in the valley. Distributed in Yunnan, Guizhou, Hubei, Sichuan and other places.

[collection] all year round. Dry or fresh

Bitter, pungent and cool.

① "South Yunnan Materia Medica": "bitter slightly pungent, slightly cold. "

② Yunnan Chinese herbal medicine: "bitter, pungent, cool. "

Functions and indications: dispelling wind and relieving exterior, benefiting qi and eliminating phlegm, clearing fire and detoxifying. Treatment of cold cough, chest tightness, phlegm, skin itching, sore poison.

① "Diannan Materia Medica": "dispel skin wind itching, spit, eliminate phlegm and lower Qi. It can treat wind injury, Lung Qi cough, stomach phlegm and sore poison. Simmer in water or take juice. "

② "Yunnan Chinese herbal medicine": "dispelling wind, eliminating phlegm, detoxification, diuresis. Treatment of infantile convulsion, stroke, silent, cough, phlegm, hemoptysis, edema, sore poison. "

[usage and dosage] oral administration: decoction, 0.5-1 Liang; or mashed juice drink. External use: wash with boiling water.