Safflower alias saffron crocus is a perennial flower Crocus Iridaceae, is a common spice. Native species is Southwest Asia, the earliest cultivated by the Greeks. Mainly in Europe, the Mediterranean and Central Asia, the incoming Chinese Ming Dynasty, "Compendium of Materia Medica" to include it in the class of drugs, China Zhejiang and other places have grown. Is a rare traditional Chinese medicine, with a strong physiological activity, its stigma in Asia and Europe as a medicinal, sedative, expectorant, antispasmodic effect, for the stomach, menstruation, hives, fever, jaundice, liver and spleen swelling treating large bulbs such as flower morphology oblate spherical diameter of about 3 cm, membranous outside tan coat. Leaves basal, 9-15 pieces, strip, gray-green, 15-20 cm long, 2-3 mm wide, margin reflexed; foliage base sheet coated with 4-5 membranous sheath-like leaves. Stems very short, does not extend the ground; flowers 1-2 flowers, light blue, red and purple or white, fragrant, 2.5-3 cm in diameter; perianth lobes 6,2 wheel arrangement, inside and outer perianth lobes are all obovate, apex obtuse, 4-5 cm long; stamens erect, 2.5 cm long, anthers yellow, top tip, slightly curved; style orange-red, about 4 cm, the upper 3 branches, drooping branches bend, stigma slightly flat top wedge, shallow teeth, compared with long stamens, ovary narrowly fusiform. Capsule oval, about 3 cm. Style and stigma for medicinal purposes, namely saffron. Complete stigma was linear, apex lenient, tapering down was caudate, margin with irregular dentate apex, the lower end of the residual yellow flowers. About 2.5cm, diameter of about 1.5mm. Purple or dark brown, slightly shiny. Light body, quality soft, dry brittle and easily broken. Crocus stigmas linearly, three branches, about 3cm. Dark red, the upper part of the wider and slightly flattened top edges of the teeth was irregular, the inside of a short crack, sometimes the lower residual short yellow style. Light body, soft quality, no oily sheen, dry brittle and easily broken. Gas specific, slight irritation, taste bitter. Taste: gas-specific, slightly spicy, slightly bitter taste. In length, the color purple, moist and shiny, little yellow style, spicy cool better.