Noun alcea has 1 sense
  1. Alcea, genus Alcea - genus of erect herbs of the Middle East having showy flowers: hollyhocks; in some classification systems synonymous with Althea
    --1 is a kind of dilleniid dicot genus
    --1 is a member of Malvaceae, family Malvaceae, mallow family
    --1 has members: hollyhock; rose mallow, Alcea rosea, Althea rosea
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