山药又称山芋、薯芋、薯药、玉芋、怀山药等。为薯蓣科植物薯蓣的块茎，是多年生缠绕草本。夏季开乳白色小花，穗状花序。有光山药和毛山药０之分。有野生、人工栽培等。主产于河南．近几年在我省引种栽培。山药的繁殖，主要采用芦头和珠芽繁殖。我国是山药的故乡，食用山... Yam, also known as potato, potato yam, potato medicine, taro, yam and so on. It is a tuber of dioscorea dioscorea, a perennial entwined herb. Summer open milky white flowers, spikes. Bright yam and Mao yam 0 points. Wild, artificial cultivation and so on. The main production in Henan. In recent years, introduction of cultivation in our province. Yam breeding, the main use of reed and pearl bud reproduction. China is the hometown of yam, food mountain ...