What is (a) A genus of plants of the Mallow family. It includes the officinal marsh mallow, and the garden hollyhocks. (b) An ornamental shrub (Hibiscus Syriacus) of the Mallow family called?

althea — (a) A genus of plants of the Mallow family. It includes the officinal marsh mallow, and the garden hollyhocks. (b) An ornamental shrub (Hibiscus Syriacus) of the Mallow family. (Webster's 1913.)

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