Appearance: brown fine powder medicinal materials: dried Tangerine or orange Peel Pericarpium Citri Reticulatae (English) Tangerine Peel alias red and orange, DaGongPao, sichuan orange. Source: to rue plant Citrus reticulata Bianco, orange peel. Packing: aluminum foil bag or cardboard barrels shelf life: *4 months plants form: evergreen small trees or shrubs, high 3 ~ 4 m. leaves alternate, single ternate; Leaf lanceolate or elliptic, 4 ~ *1 cm long, wide and 1.5 ~ 4 cm apex acuminate, margin entire or for wave shape blunt jagged, a translucent grease spots. Single flowers or number one was born in the branches and fragrant, white or pink with; Calyx goblet, petals 5, long oval; Stamens *5 ~ *5; Pistil 1. Mandarin fruit suborbicular or green, red, orange, yellow or scarlet, sac disc 7 ~ *2. Seed ovoid, white. Flowering 3 ~ 4 months, fruiting *0 to *2 months. Growing in the low hills, mountains, rivers and lakes with or plain along the coast. In all over the country are orange area production. When skin is tightly fruit mature, dry.