althaea

noun
al·thaea | \ al-ˈthē-ə \

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

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occurring twice a year or every two years

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