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Latin pharmacognostic name: Paeoniae Radix Rubra

Alternate Chinese names: 赤芍药 chì sháo yào; 木芍药 mù sháo yào; 臭牡丹皮 chòu mǔ dān pí; 红芍药 hóng sháo yào

Kingdom: Plant

Origin in PRC Pharmacopoeia: Paeonia lactiflora Pall.; Paeonia veitchii Lynch. (PRC Pharmacopoeia)

Origin (other sources): Paeonia lactiflora Pall.* [= P. albiflora Pallas var. trichocarpa Bunge.]; Paeonia obovata Maxim.; Paeonia veitchii Lynch; Paeonia anomala L.; Paeonia obovata Maxim. var. willmottiae (Stapf) Stern; Paeonia hybrida Pall.; Paeonia mairei Lévl.

Use: Medicinal

Category: Heat-clearing agents / Heat-clearing blood-cooling agents

Properties: Bitter; slightly cold.

Channel entry: Liver channel.

Indications:

• Clears heat and cools the blood: Heat entering provisioning-blood, manifesting with maculopapular eruption, vomiting of blood (blood ejection), or nosebleed.
• Quickens the blood and transforms stasis: Amenorrhea, concretions and conglomerations, injury from knocks and falls, toxin swelling of welling-abscesses and sores.

Dosage & Method: Oral: 6–15g in decoctions; also used in powders and pills.

Warnings: Unsuitable for vacuity cold patterns and should not be used for amenorrhea due to blood cold. It is traditionally said to clash with lí lú (Veratri Nigri Radix et Rhizoma).

Quality: Long roots without bark, with deep rough grain the best. They should be white and farinaceous on the cut edge.

Product Area: Paeonia lactiflora: Inner Mongolia, Zhèjiāng, ānhuī, Héběi, Sìchuān. Paeonia obovata: Hēilóngjiāng, Jílín, Liáoníng, Inner Mongolia, Xīnjiāng, Héběi, Gānsū. Paeonia veitchii: Sìchuān, Yúnnán, Guìzhōu, Shānxī.

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