Old World annual having heart-shaped leaves and large seeds with short grayish lint removed with difficulty; considered an ancestor of modern short-staple cottons.

• 东半球一年生植物，有心形的叶子和大的种子，有不容易去掉的短的浅灰色的象软麻布似的东西；被认为是现在大宗生产的棉花的祖先。