Photinia tomentosa root

Photinia tomentosa root

(Guizhou folk medicine)

[synonym] Deng xiangguangen (Guizhou folk medicine).

[source] it is the root of Photinia glabra.

[plant morphology] Photinia glabra, also known as nuomizhu.

Deciduous shrubs or small trees, up to 5 m high. Branchlets are gray white pilose when young, then smooth, scattered, linear elliptic and porose. Leaves alternate; petiole 1-3 mm long, initially gray pilose, then gradually falling off; leaf blade obovate to oblong obovate, 3-7 cm long, 1.8-3.5 cm wide, apex acuminate or short acuminate, base cuneate, margin serrate, tooth tip hardened, sparsely white pilose above, gradually falling off, densely white pilose below, gradually sparse to old. Corymb terminal, white pilose, verrucous protuberance on rachis; calyx 5-lobed, covered with gray villi; petals 5-white; stamens numerous; style 2, stigma capitate, ovary covered with white pilose. Small pear obovate elliptic, about 8 mm long, ripe bright red. The flowering period is from April to May. The fruiting period is October.

It grows on the edge of forest or under sparse forest or in shrub. It is distributed in East China, central China, South China and southwest China.

[collection] all year round.

[Xing Wei] Guizhou folk medicine: "Xing Ping, Wei Ku. "

[function indications] Guizhou folk medicine: "eliminate dampness and heat, stop diarrhea and dysentery. "

[usage and dosage] oral: decoction, 3-5 yuan.

[prescription selection] 1. Treatment of upper vomiting and lower diarrhea: Deng xiangguangen had three coins, qingqianzi and Shidi had three to five coins each. Take it in boiling water. Add five coins of iron rust on the top to cure red dysentery; add three coins of kitchen stove to cure white dysentery. (Guizhou folk medicine)

② Treatment of fatigue: fresh Photinia glabra root six to seven Liang, mountain indigo (Verbenaceae) three to four Liang, Elaeagnus root skin one to two Liang. Fry in water, make yellow rice wine and brown sugar, take them in the morning and before dinner. (records of yam planting in Tianmu, Zhejiang)