Rehmannia root

Rehmannia root

(Guizhou folk medicine)

[source] it is the root of Cotinus bracteata, a Rosaceae plant.

[plant morphology] Cotoneaster bracteatum, also known as dwarf red seed.

Semi evergreen low shrubs, about 80 cm high. Branches spreading transversely, with flat pubescence. The leaf blade is elliptic or ovoid, 3-6 mm long, apex rounded, pointed, bright green above, glabrous, and a few flat attached hairs below. Flowers pale red, almost sessile, 1-2 at the top of spurious short lateral branches; calyx tubular, apex 5-lobed, outer pilose; petals 5; stamens about 15; style 2. Pear shaped drupe, ovate or globose, ca. 5 mm long, red when ripe, with 3 nuclei. The flowering period is June. The fruiting period is September.

Born in the wild. It is distributed in Sichuan, Hubei, Guizhou and Yunnan.

[collection] all year round.

[nature and taste] it is cool in nature and sour and astringent in taste.

Function indications: heat clearing and dehumidification

[prescription selection] 1. To treat diarrhea and abdominal pain: Radix Rehmanniae and Rhizoma Polygoni Multiflori, Rhizoma cinnabarinae and Rhizoma evodiae and Flos Lonicerae. Three times a day, half a bowl each time.

② Treatment of red dysentery: one or two roots of Rehmannia glutinosa. Take it in boiling water.

③ Treatment of hematemesis: dihongzigen two Liang. Take it in boiling water.