- rose mallow, swamp mallow, common rose mallow, swamp rose mallow, Hibiscus moscheutos - showy shrub of salt marshes of the eastern United States having large rose-colored flowers
--1 is a kind of hibiscus
- rose mallow, Alcea rosea, Althea rosea - plant with terminal racemes of showy white to pink or purple flowers; the English cottage garden hollyhock
--2 is a kind of hollyhock
--2 is a member of Alcea, genus Alcea