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Juan Bai

Selaginella tamariscina (P.Beauv.) Spring

Genus: Selaginella Species: tamariscina Pinyin: Juan Bai Latin: Herba Selaginellae
Spikemoss (English) 卷柏 (Chinese)

☯ TCM Properties

Category: regulating_blood
Temperature: neutral
Taste: pungent
Meridians: liver, heart
Functions:

Invigorates Blood and Regulates Menstruation; Invigorates Blood and Dispels Stasis; Reduces Swelling and Alleviates Pain; Stops Bleeding

Western Herbalism Properties

Actions:
astringent

Botanical Description

Selaginella tamariscina is a resurrection spike-moss in the family Selaginellaceae, native to East and Southeast Asia where it grows in dense rosette-like cushions on dry rocks and cliff faces. The plant is a lycophyte (fern-ally), not a true moss, reaching 5–15 cm tall with a short woody caudex bearing tightly imbricate, scale-like microphylls arranged in four ranks along branched stems. During drought the fronds curl inward into a tight ball and turn brown, then unfurl and green again upon rewetting β€” hence the name β€œresurrection plant.” Reproduction is by heterosporous strobili borne at branch tips. In traditional Chinese medicine the whole dried plant (Juan Bai) is harvested year-round and used as a hemostatic and blood-invigorating herb.

Dosage

Form Amount Frequency Duration Population Notes
decoction 6-15g Daily β€” β€” β€”

Cultural & Historical Context

Traditional Chinese Uses

Juan Bai (selaginella or spikemoss) is used in two preparations with different actions. The raw herb circulates Blood and clears Damp-Heat to stop bleeding from Heat in the Blood, addressing bloody dysentery, hemorrhoidal bleeding, and uterine bleeding. When charred, its astringent properties are greatly enhanced for stopping bleeding. It is a versatile hemostatic herb applicable to various bleeding conditions.

Traditional American Uses

None Documented

Important Disclaimer

This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.