Sida cordifolia ('ilima, flannel weed, bala, country mallow or heart-leaf sida) is a perennial subshrub of the mallow family Malvaceae native to India. It has naturalized throughout the world, and is considered an invasive weed in Africa, Australia, the southern United States, Hawaiian Islands, New Guinea, and French Polynesia. The specific name, cordifolia, refers to the heart-shaped leaf.