althaea

noun
al·​thaea | \ al-ˈthē-ə How to pronounce althaea (audio) \

Medical Definition of althaea

1 capitalized : a genus of Old World herbs of the mallow family that have terminal spikelike clusters of showy flowers and include the hollyhock and marshmallow
2 or althea : the dried root of the marshmallow deprived of its brown corky layer and small roots and used as a demulcent and emollient

called also marshmallow root