Definition that contains genus alcea
- althea any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea
- althaea any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea
- hollyhock any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea
- 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
- genus althaea hollyhocks; in some classification systems synonymous with genus Alcea