| Product Name | Welsh Onion White Bulb Extract |
| Alternative Names | Dried Fistular Onion Stalk, White Head of Fistular Onion |
| Source | Dried bulbs of Allium fistulosum L. (a plant belonging to the Liliaceae family) |
| Plant Morphology | Perennial herb, up to 50 cm in height. Usually grows in clusters, with a pungent odor throughout; a pungent, sticky fluid oozes out when broken. Fibrous roots are tufted and white. Bulbs are cylindrical, slightly enlarged at the apex, with layered bulb scales that are white and marked with white longitudinal stripes. Leaves are basal, cylindrical, hollow, approximately 45 cm long and 1.5-2 cm in diameter, with a pointed apex, green color, and longitudinal veins; leaf sheaths are light green. Scape is roughly as long as the leaves; involucre is white and 2-lobed; umbel is spherical, with many dense flowers. Pedicels are as long as the perianth or 2/3 of its length, without bracts. Perianth is campanulate and white, with 6 perianth segments that are narrowly ovate, tapering to a point at the apex, and equipped with reflexed small tips. Filaments are 1.5-2 times as long as the perianth segments, conical, basally connate and adnate to the perianth. Capsule is triangular. Seeds are black, triangular-semicircular. Flowering period: July-September; Fruiting period: August-October. |
| Origin & Distribution | Cultivated throughout all regions of China |
| Harvesting & Processing | Harvested in summer and autumn; fibrous roots, leaves, and outer membranes are removed; used fresh. |
| Herb Characteristics | Cylindrical bulbs, wrapped by multiple layers of membranous scales. Surface is off-white, smooth, and marked with longitudinal stripes. Has the pungent aroma of onion; taste is pungent. |
| Nature, Taste & Meridian Tropism | Warm in nature, pungent in taste. Meridians entered: Lung Meridian, Stomach Meridian. |
| Packaging Specification | 1 kg/aluminum foil bag, 25 kg/paper drum, or customized packaging according to customer requirements |
| Storage Method | Store in a cool, dry place; keep sealed; store at room temperature |
| Shelf Life | 24 months |
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