Fengwei tea

Fengwei tea

(common folk herbs in Kunming)

[synonym] wild camellia, small Camellia (commonly used folk herbal medicine in Kunming), Yunsong tea, small fragrant tea, small pine tea, rust camellia, toothbrush grass (Yunnan Chinese herbal medicine).

[source] the whole plant of Perilla frutescens L.

[plant morphology] Perilla frutescens

Perennial short herb, 10-25 cm high, densely pilose. The stem is square. Branches from base, tufted, erect or base slightly inclined, surface green or purplish. Leaf blade linear lanceolate or obovate lanceolate, 1.5-2.8 cm long, 0.4-0.9 cm wide, apex obtuse or slightly pointed, base cuneate, upper leaf margin crenate; petiole 1.5 cm long, apical leaf subsessile. The spike is terminal and consists of several layers of Cymbidium clusters growing in the axils of bracts; there are 2-4 flowers in each round with short stalks; there are 2 broad ovate bracts under the flowers, connate; the Corolla is 2-lipped, light reddish purple, with dense white long hairs, the upper lip is 3-lobed, erect, the lobes are blunt and round, the middle lobe is slightly larger, the lower lip is slightly longer, and curved outwards. 4 nutlets, ovate. It blooms in early winter.

It grows on hillside, roadside grass or under shrub. It is distributed in Yunnan, Guizhou and other places.

[collection] in autumn. Fresh or sun dried.

[flavor] pungent, flat.

① Common folk herbs in Kunming: "bitter, slightly pungent, flat. "

② Yunnan Chinese herbal medicine: "pungent, astringent, warm. "

[functions and indications] 1. Common folk herbs in Kunming: "relieving exterior, Promoting Yang and clearing liver heat. It can cure cold, headache, hepatitis, eye pain and dizziness. "

② Yunnan Chinese herbal medicine: "divergent, relieving exterior, regulating qi and stomach. Treatment of exogenous cold, head and body pain, sore throat, dyspepsia. "

[usage and dosage] oral administration: decoction, 0.5-1 Liang; or grinding powder.