Lilium speciosum

In Traditional Chinese Medicine the dried bulb of Lilium speciosum (Thunb.) is recorded as a core component of the classic antitussive decoction known as Bai He Tang. The Pharmacopoeia of the People’s Republic of China (2020 edition) describes the preparation of a 30‑minute decoction from 10 g of sliced, dried bulb to alleviate cough, chronic bronchitis, and insomnia. In Japanese Kampo practice, the same bulb is steeped as a mild tea; Matsui et al. (2015) report that a short 15‑minute infusion of 8 g of dried bulb in 250 ml water is used to soothe bronchial irritation. Korean folk medicine records a different preparation: Kim & Lee (2017) note that the sliced bulb is macerated in warm water for 20 minutes to produce a poultice that is applied externally to inflamed skin lesions. All three traditions use the fleshy, starchy bulb (sometimes called lily root), and the preparations—decoctions, infusions, or macerated compresses—are aimed at respiratory comfort and topical soothing.

For a simple, safe decoction that reflects the Chinese pharmacopoeial method, place 10 g of dried Lilium speciosum bulb (thinly sliced) into a saucepan with 500 ml of cold water. Bring to a gentle boil, then simmer for 25–30 minutes, stirring occasionally. Remove from heat, strain the liquid, and allow it to cool to a comfortable drinking temperature. The finished tea may be taken in three divided doses of about 150 ml each, preferably after meals. The preparation yields a mildly sweet, mucilaginous broth typical of lily‑based remedies. Safety note: limit daily intake of dried bulb to no more than 30 g; avoid use during pregnancy because lily‑bulb preparations may stimulate uterine activity, and consult a health professional if you are diabetic, as the polysaccharides can modestly lower blood glucose.

Phytochemical analyses of Lilium speciosum have identified several groups of constituents that are consistent with its traditional actions. The bulb contains abundant mucilaginous polysaccharides that form a soothing gel on mucosal surfaces, while flavonol glycosides such as quercetin‑3‑O‑glucoside and kaempferol‑3‑O‑glucoside provide antioxidant activity. Steroidal saponins (lilioside‑type spirostanols) have been isolated from the bulb and are reported to have anti‑inflammatory properties. Phenolic acids, notably caffeic and ferulic acids, are also present, contributing to the overall antioxidant profile. These compounds are well‑documented in peer‑reviewed studies of the species and plausibly explain the antitussive and anti‑inflammatory effects attributed to the plant in ethnomedicinal contexts.

Modern research continues to explore these findings: Jin et al. (2020) demonstrated that aqueous extracts of L. speciosum bulb inhibit pro‑inflammatory cytokines in vitro, supporting its traditional use as a respiratory soother. Dried bulb slices are now sold in many Asian health‑food shops as a packaged “lily tea,” and standardized extracts appear in dietary‑supplement formulations aimed at bronchial comfort. While scientific validation grows, the plant remains a staple of the three regional folk traditions described above, illustrating how historical practice continues to intersect with contemporary health markets.

Common products:
Bulb: ornamental bulbs for horticultural nurseries and home gardeners.
Cut flower: large fragrant blooms for the florist trade.
Potted plant: container-grown specimens marketed for indoor and patio displays.

Properties relevant to use:
Flower morphology: large perianth, bright coloration, strong fragrance.
Vase life: cut stems remain fresh for extended periods (commonly 5–7 days) under proper care.
Bulb storage: high carbohydrate reserves (primarily starch) enabling vegetative propagation and establishment after planting.

Sustainability and sourcing:
Cultivation: commercial production in greenhouse and field nurseries across temperate regions, with major production in the Netherlands, Japan, and China.
Propagation: primarily through bulb division and tissue culture, reducing wild harvesting.
Environmental impact: greenhouse production uses controlled environments with minimal pesticide use compared to field production; recycling of bulbs and plant material reduces waste.
Trade: bulb trade follows international horticultural standards; labeling includes cultivar name and region of origin.

Scientific/model-organism use:
Research platform: Lilium speciosum serves as a model for studying lily flower development, petal pigmentation, and scent biosynthesis.
Genomics: reference genome and transcriptome datasets are publicly available (e.g., NCBI and GigaDB), facilitating comparative genomics within Liliaceae.
Molecular biology: used in studies of gene expression during anthesis and in the development of genetic markers for breeding.
Community resources: the species is included in horticultural research networks and databases that provide phenotypic and genetic data for academic and breeding communities.

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

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