Rhizoma Dioscoreae

Rhizoma Dioscoreae

(Shaanxi Chinese herbal medicine)

Wild hemp.

[source] the stem bark and leaf of Euphorbiaceae.

[plant morphology] Rhizoma Dioscoreae

Shrub, 1-2m high. Young branches densely hairy. Leaves alternate, broadly ovate or round, 7-13 cm long and 9-17 cm wide, apex short pointed, base heart-shaped, margin dentate, upper green, sparsely short hairy, lower purple, densely hairy, basal 3-veined; petiole 3-9 cm long, with 2 linear stipules. Flowers unisexual, monoecious, apetalous, male flowers dense, into short tubular spikes, calyx spherical, 4-lobed, tweezers, stamens 8, female flowers sparse into spikes, located under the male inflorescence, ovary 3-locular, style 3, linear. Capsule globose, 3-lobed, style persistent.

Most of them grow in the bushes on sunny hillsides and roadsides. It is distributed in Jiangsu, Zhejiang, Anhui, Hubei, Hunan, Guizhou, Sichuan, Shaanxi and other places.

[collection] harvest in spring and summer.

[flavor] light, flat.

[function indications] detoxification, insecticidal, analgesic. Treatment of rabid dog bites, snake bites, ascariasis, lumbago.

[formula selection] ① treatment of snakebite: appropriate amount of fresh yam stick, tamping on the affected area.

② Cure mad dog bite: ShanMa ganye Erqian. Take it by frying. There was vomiting reaction after taking it.

③ Treatment of ascariasis: shanmagan ~ Qian. Add flour to make steamed bread.