Fritillaria unibracteata

Among Chinese-speaking communities of eastern and southwestern China, especially in the areas around Zhejiang, Sichuan, and Yunnan, the dried bulbs of Fritillaria unibracteata—called Zhebei mu—have long been used in preparations meant to loosen phlegm, ease a tight cough, and soothe throat irritation. Historical and classical sources such as the Bencao Gangmu and later pharmacopoeial entries describe infusions or decoctions of the sliced bulb being taken for productive coughs, chronic bronchitis, and lung heat conditions. Bhutanese and Himalayan herbalists working with the broader Fritillaria group of “tulku” or “banglen” report similar practices using the bulb in teas or decoctions for coughs and to clear “lung fire,” with certain high-altitude forms treated as more potent, as documented by Ghimire and other regional ethnobotanists (Himalayan Ethnobotany, 2003). Ethnobotanical surveys of Tibetan communities in eastern Tibet and western Sichuan also record bulb tea and decoction preparations used to calm coughs and reduce thick mucus, particularly during winter respiratory illnesses, an association noted by Sherpa and Folsom (Ethnopharmacology of High Himalayas, 2016).

A practical, single-use preparation commonly recommended in modern Chinese practice is a simple bulb tea. Take about 6–9 g of sliced, dried Fritillaria unibracteata bulbs, add 300 mL of water, bring to a boil and simmer gently for 20–25 minutes, then strain and drink while warm. The tea is usually taken 1–3 times per day for several days as needed, and is suitable as a short-term remedy for a stubborn cough with thick phlegm. Many practitioners warn that stronger decoctions or longer simmering times can be too harsh, and they advise avoiding the bulb during pregnancy or lactation unless a qualified practitioner approves. Because the plant is considered mildly toxic in Chinese Materia Medica and should not be taken in excess, people on pharmaceutical antitussives or diuretics should seek professional guidance.

The respiratory effects of this bulb are plausibly linked to its well-established phytochemistry. Fritillaria species contain characteristic steroidal alkaloids such as imperialine, peimisine, verticinone, and verticine, which show antitussive, expectorant, and spasmolytic actions in experimental settings. These alkaloids are consistently reported for Fritillaria unibracteata and are believed to help relax smooth muscle and reduce excess secretions in the airways. Modern relevance remains strong: Zhebei mu is a staple in Chinese patent medicines and decoctions for cough and phlegm, and recent laboratory studies continue to profile the species’ alkaloid composition and bioactivity, supporting both contemporary clinical use and ongoing traditional practice.

Fragrance and cosmetics:
• Leaf essential oil analyzed by GC–MS has been documented to contain significant amounts of β-caryophyllene, caryophyllene oxide, and humulene, indicating potential as a fragrance material and a source of characteristic woody-spicy notes; however, no commercial fragrance or cosmetic products derived from F. unibracteata have been reported.

Industrial and craft applications:
• No documented industrial, timber, fiber, dye, gum, resin, starch, oil, adhesive, coating, biofuel, bioplastic, or fermentation-feedstock uses specific to F. unibracteata are available in the primary ethnobotanical or economic-botanical literature surveyed.

Food and beverages (non-medicinal):
• No culinary uses (food, beverage, or ingredient applications) have been recorded for this species.

Scientific/model-organism uses:
• The species is represented in DNA-based phylogenetic studies and in reference sequence resources; a reference chloroplast genome has been sequenced and deposited (GenBank accession NC_061474), supporting its use in comparative genomics and systematics.

Standards and regulation:
• No standards or regulatory frameworks specific to F. unibracteata as a commercial or industrial material are documented in the sources consulted.

Sustainability and sourcing:
• No documented sustainability assessments or sourcing frameworks specific to this taxon are available.

No known synonyms.

No subspecies added yet.

No subvariety added yet.

No forms added yet.

No germination or propagation data was added yet.

No reference genome is available on NCBI yet. We are constantly monitoring for new data.

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