any of several flowering plants in the hibiscus, or mallow, family ( Malvaceae), especially those of the genera hibiscus and Malva. Hibiscus species include the great rose mallow (H. grandiflorus), with large white to purplish flowers; the soldier rose mallow (H. militaris), a shrub that grows to a height of 2 metres (6 feet); and the common, or swamp, rose mallow (H. moscheutos).

The marsh mallow (Althea officinalis), a perennial plant native to eastern Europe and northern Africa, is naturalized in North America, especially in marshy areas near the sea; its root was formerly processed to make marshmallow confections.

Other mallows include the globe, or false, mallows (Sphaeralcea) such as the prairie, red false, or scarlet globe, mallow (S. coccinea) and the trailing mallow (S. philippiana); Jew's mallow, or Tossa jute (Corchorus olitorius), from tropical Asia, a secondary source of jute; tree mallow (Lavatera arborea), up to 3 metres (10 feet), from Europe but naturalized along coastal California; wax mallow (Malvaviscus arboreus), a reddish flowering ornamental shrub from South America; poppy mallow (Callirhoe involucrata), a hairy perennial, low-growing, with poppy-like reddish flowers; and Indian mallow, also called velvetleaf (Abutilon theophrasti), a weedy plant. Chaparral mallows (Malacothamnus species), a group of shrubs and small trees, are native to California and Baja California. The Carolina mallow (Modiola caroliniana) is a weedy, creeping wild flower of the southern United States.