Yun Wu Cao (Usnea diffracta) — Wild-Harvested Song Luo Lichen, Dried Bulk Herb

Yun Wu Cao (Usnea diffracta), also known as Song Luo (松萝) and Lao Jun Xu (老君须), is the dried thallus of a slow-growing high-mountain lichen revered in Traditional Chinese Medicine (TCM) as a cooling, phlegm-transforming, and toxin-clearing herb. Its nature is bitter, sweet, and slightly cold, making it a gentle yet clarifying herb traditionally used to clear heat, resolve phlegm, and soothe the throat and lungs.

Key Selling Points

• Wild-harvested high-mountain lichen
• Traditional TCM herb Song Luo (松萝)
• Also known as Lao Jun Xu (老君须)
• Dried bulk 500g loose format
• Cooling, phlegm-transforming nature

Quality & Sensory

Each batch is carefully shade-dried to preserve its pale grey-green to sage colour, its fine filamentous texture, and its faint mossy, woodland aroma. When decocted, the thallus yields a light amber infusion with a mild, slightly bitter and subtly sweet taste, leaving a clean, cooling sensation on the palate.

Technical Specifications

Usage Scenarios

• Traditional herbal decoction
• Blended herbal tea formulas
• Medicinal soup and broth packs
• Seasonal heat-clearing blends
• Bulk herbal apothecary use

Traditional Uses

In folk herbal practice, Yun Wu Cao is decocted alone or in combination with other herbs to clear heat, transform phlegm, and soothe the throat. It is often included in traditional formulas for seasonal respiratory comfort, paired with ingredients such as fritillary bulb, loquat leaf, or mulberry leaf. In some regional traditions, it is simmered into medicinal soups and daily teas as a cooling, clarifying herb for warm seasons.

FAQ Q&A