Panax notoginseng

Panax notoginseng

(Shaanxi Chinese herbal medicine)

[synonym] Rhizoma Coptidis, Rhizoma Coptidis Taibai (Shaanxi Chinese herbal medicine).

[source] it is the rhizome of Cimicifuga longicolor, a Ranunculaceae plant.

[plant morphology] Cimicifuga longicolor

Herbs perennial, 25-75 cm high. The rhizome is stout, branched and has many fibrous roots. The stem is erect, with 2-4 membranous sheaths at the bottom and 2 leaves above the sheath. Leaves usually 2-3-compound; leaves triangular, 24 cm long, stipules long, 3-lobes subpinnately lobulate, lobules ovate to lanceolate, sparsely serrate; petioles 5-34 cm long. Raceme with 4-6 flowers; bracts ovate; inflorescence opening, 1.2-1.4 cm in diameter; sepals 5, white, obovate; petals 5, small, broadly ovate or fan-shaped, 1 / 3-1 / 2 of sepals; stamens numerous; carpels 1-3. Follicles strip-shaped, 3.5-7 cm long, base gradually narrowed into petiole, with obvious reticulate veins. There are reticular depressions on the surface of seeds. It blooms in spring.

Born on high mountain slopes. Distributed in Tibet, Yunnan, Sichuan, Qinghai, Gansu, Shaanxi and other places.

[collection] harvest after autumn.

[medicinal material] the dry rhizome is multi branched, chicken claw shaped, 3-7 cm long, with yellowish brown to purple brown surface, obvious links and fine longitudinal lines. It is hard and brittle, with brown to brownish black section and round cavity. Most of the fibrous roots are brown black, short, curved and broken. It tastes bitter.

[nature and taste] Shaanxi Chinese herbal medicine: "bitter, cool. "

[function indications] Shaanxi Chinese herbal medicine: "purging fire and drying dampness, clearing heart and removing trouble, antibacterial and anti-inflammatory, and strengthening stomach. Treatment of pharyngitis, conjunctivitis, stomatitis, bone steaming, hot flashes, palpitations, irritability, dysentery, enteritis, carbuncle sore swelling poison. "

[usage and dosage] oral: decoction, 2-3 yuan. External use: grind and sprinkle.