黄独（学名：Dioscorea bulbifera）为薯蓣科薯蓣属的植物。

多年生缠绕藤本。地下有球形或圆锥形块茎。叶腋内常生球形或卵圆形珠芽，大小不一，外皮黄褐色。

心状卵形的叶子互生，先端尖锐，具有方格状小横脉，全缘，叶脉明显，7-9条，基出；叶柄基部扭曲而稍宽，与叶片等长或稍短。夏秋开花，单性，雌雄异株，穗状花序丛生。果期9-10月。

Dioscorea bulbifera, the air potato, is a species of true yam in the yam family, Dioscoreaceae. It is known as varahi in Sanskrit, kaachil in Malayalam and dukkar kand in Marathi. In the Maldives it's known as Mathivah, Assidha Kattala or Bileh Kattala. It is native to Africa, southern Asia, India, Maldives, China, Japan, Philippines, Indonesia, etc.) and northern Australia. It is widely cultivated and has escaped to become naturalized in many regions (Latin America, the West Indies, the southeastern United States, and various oceanic islands).