Amaranthus caudatus L.
Aliases：Wěi Suì Xiàn Zǐ (literally "Tail‑Spike Amaranth Seed" — the formal botanical name indicating its characteristic drooping flower spikes); Lǎo Qiāng Gǔ (literally "Old Spear Millet" — a common name referring to the plant's tall, robust stalks and large inflorescence); Suì Guàn Huā (literally "Tassel Crown Flower" — named for its showy, tassel‑like flower spikes); and Hóng Xiàn Cài (literally "Red Amaranth Vegetable" — indicating its edible young leaves and reddish stems). (These are all alternative names for Lǎo Qiāng Gǔ Zǐ, i.e., the dried mature seed of Amaranthus caudatus L.)
Lǎo Qiāng Gǔ Zǐ (Love‑lies‑bleeding Seed) is a traditional Chinese medicinal material. It is the dried mature seed of Amaranthus caudatus L., a plant belonging to the family Amaranthaceae.
Efficacy & Actions
Clears heat and releases the exterior.
Indications
It is commonly used for chickenpox and measles in children.
Modern Pharmacology
Antifungal activity: It can inhibit the growth of various plant pathogenic fungi at relatively low concentrations. Antibacterial activity: It also exhibits inhibitory effects against Gram‑positive bacteria. In addition, it is non‑toxic to human cells.
Ingredients
The seed of Amaranthus caudatus (Love‑lies‑bleeding) contains two polypeptide substances, designated as Ac‑AMP1 and Ac‑AMP2.
Usage & Dosage
It is commonly used for chickenpox and measles in children.
Selected Formulas
For traumatic injuries, bone injuries with swelling and pain (empirical formula) Take equal amounts of Laoqianggu (Amaranthus retroflexus) seeds and Difuzi (Kochia scoparia fruit), crush them, mix with vinegar, and apply externally to the affected area.
Medicinal Parts
Dried mature seed.
Selection & Storage
Protected from moisture, insects, high temperature, and light.
