Definition of althea

• n. - A genus of plants of the Mallow family. It includes the officinal marsh mallow, and the garden hollyhocks.
• n. - An ornamental shrub (Hibiscus Syriacus) of the Mallow family.
• n. - A genus of plants of the Mallow family. It includes the officinal marsh mallow, and the garden hollyhocks.
• n. - An ornamental shrub (Hibiscus Syriacus) of the Mallow family.