黑糯(紫米)是我国古老的一种名贵稻种。野生稻米皮均为红色,黑糯是由红米的红色素演变逐步形成的稻种,由于米皮紫黑色而得名,叫黑糯或者叫做紫米(也有的叫做鸡血米)。有关黑糯的文字记载已有1500多年的历史,分布于云南、贵州、广西、广东、福建、江西、湖南、四川、江苏等省区,在中、高海拔地方种植。由于种植历史悠久,分布地域广,地理环境复杂,气候差异甚大,因而形成品种多样性。按分布地域 Black waxy (purple rice) is an ancient precious rice species in our country. Wild rice peels are red, black waxy red rice is red rice evolved from the gradual formation of rice species, due to the purple rice purple name, called black waxy or purple rice (also known as chicken blood rice). The written records of Black Glutinous Rice have a history of over 1500 years and are distributed in Yunnan, Guizhou, Guangxi, Guangdong, Fujian, Jiangxi, Hunan, Sichuan and Jiangsu provinces and are planted at medium and high altitudes. Due to its long history of planting, wide geographical distribution, complex geographical environment and large climatic variability, the diversity of varieties is formed. By geographical distribution