- althea, althaea, hollyhock - any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea
--1 is a kind of mallow
--1 is a member of genus Althaea
--1 has particulars: marsh mallow, white mallow, Althea officinalis - hollyhock - any of various tall plants of the genus Alcea; native to the Middle East but widely naturalized and cultivated for its very large variously colored flowers
--2 is a kind of mallow
--2 is a member of Alcea, genus Alcea
--2 has particulars: rose mallow, Alcea rosea, Althea rosea