Any of several tall plants of the mallow family, especially the marsh mallow, Althaea officinalis (formerly used medicinally), and the hollyhock, Alcea rosea.
Origin
Mid 16th century; earliest use found in Albertus Magnus' Book Secretes.
Definition of great mallow in US English:
great mallow
noun
rare
Any of several tall plants of the mallow family, especially the marsh mallow, Althaea officinalis (formerly used medicinally), and the hollyhock, Alcea rosea.
Origin
Mid 16th century; earliest use found in Albertus Magnus' Book Secretes.