Iris (scientific name: Iris tectorum Maxim. (yuan wei) also known as: blue butterfly, purple butterfly, flat bamboo flower, etc., belongs to the lily, iris family, iris genus perennial herb, rhizome thick, about 1 cm diameter, oblique extension; leaves 15 to 50 cm long, width 1.5 to 3.5 cm, flower blue purple, about 10 cm in diameter; capsule oblong or inverted oval, 4.5 to 6 cm long, diameter 2 to 2.5 cm. It is native to central China and Japan, mainly in south-central China. It can be ornamental, the flower aroma is light and elegant, can be concocted perfume, and its rhizome can be used as a traditional Chinese medicine, which can be harvested all year round and has an anti-inflammatory effect
